Construction began in 1979 with an expected completion date three years later, but the bridge was not available for traffic for nine years. in the completed 1.5-mile-long bridge. This only after MichiganDOT 6.12K subscribers June 3, 2014 -- This video is the latest in a series of In the Field video reports aimed at sharing innovations, research and new technology. The You are still completely responsible for your decisions, your actions, and your safety. Construction on the new Zilwaukee Bridge began in 1979. Located in Zilwaukee, in Saginaw County in the U.S. state of Michigan, the Zilwaukee Bridge is one of the most spectacular bridges in the world. To ease the commute along this route, a bridge was constructed over the Saginaw River. He was 49 years old. When the bridge opened for river traffic, it sometimes caused miles-long traffic jams, especially during heavy travel days around the holidays and the start of firearms deer hunting season. course, for many Michiganders, the Zilwaukee Bridge evokes a response harkening This drawbridge was meant to ease congestion, but made it worse as both vehicle and shipping traffic drastically increased. If not replaced, the normal shifting movements of the bridge would cause additional damage, thus reducing its lifespan. The Saginaw Township Republican indicated he wants to avoid a repeat of a snafu that forced thousands of motorists to detour from the northbound lanes of the Zilwaukee Bridge for most of 2008. From MDOT: New guidelines recommend early, aggressive treatment for childhood obesity, Deaf student's Michigan lawsuit at center of Supreme Court case, Michigan secretary of state outlines policy hopes for legislative session, State survey: UP wolf population stable, may have reached capacity, Michigan to begin distributing $81 million opioid settlement money, How an 'anti-planner' helps artist with ADHD get stuff done, Price tag for keeping the Zilwaukee Bridge clear of ice and snow, I-75 North will continue across the bridge, I-75 South will shift onto I-75 northbound lanes and over the bridge. Traffic is being rerouted along as follows: Here's a map of the detours and the other I-75 construction projects nearby: MDOT says work on the bridge includes "replacing bearings, bridge deck overlay and barrier repairs, and electrical work.". MDOT Bay City Transportation Service Center Manager Gregg Brunner said In fact, in 1979, the traffic jam was a whopping 56 miles long. (Thanks to Claire Kerk for the tip!). The largest segments The current eight-lane structure, completed in 1988, is the second such bridge at this location, replacing a four-lane bascule bridge constructed in 1960. While the Zilwaukee Bridge is a bit shorter than the Mackinac Bridge, it is much wider. After the termination of the original contract, the state found a new contractor to continue work. Five sets of casting forms inside the building Related: The story of Metro Detroits Cold War nuclear missile defense system: The original homeland security. The compound gets rid of the ice without any worry of corrosion to the bridge. Many Michigan seniors, like Tom Fleisher of West Bloomfield, remember the signs warning people. Then again, there's not much about THIS bridge that I had known prior to when I first visited this website last year. with many steel cables to form the decks.]. and another is attached to the opposite side. Copyright 2022 by WDIV ClickOnDetroit - All rights reserved. Because it would be virtually impossible Traffic was shut down for about six months, before reopening in October of 2008. After eight years of construction, the northbound lanes of the Zilwaukee Bridge were opened Dec. 23, 1987. The Zilwaukee Bridge is a.high level bridge carrying I-75 [and US-23] over the Saginaw River at Zilwaukee. The first two of those still serve this route across the current Zilwaukee Bridge today, but U.S. 10 was scaled back to end . This process is repeated until the entire span is closed. 2023 Advance Local Media LLC. to meet back up with US-23 (present-day M-13) northeast of the city. Rod Meloni is an Emmy Award-winning Business Editor on Local 4 News and a Certified Financial Planner Professional. .004 inches (about the thickness of a human hair). I was not able to get a photograph of the bridge as as. BAY CITY, Mich. (WNEM) - The Bay Metropolitan Transportation Authority announced it is permanently changing its routes to avoid tolls on Liberty Bridge and . to turn the 70-foot trailer around on the 73-foot wide bridges, the trailer Adding insult to injury, the contractor discovered that more than 30 of the new bearings weren't properly designed and would not fit where they were to be installed. On precast segmental bridges, the concrete segments must be delivered copyright 2003-2023 Study.com. The entire segment instantly sank five feet lower than the section they were attempting to attach it to. These joints have to be kept perfectly immobile during construction, so they are filled with temporary blocks held in place with steel tendons. The Z-Bridge, as it has come to be called, has a rich and, at times, dangerous history, but its without a doubt one of the best-known bridges in Michigan. time it opened for river traffic. at the intersecting roads. On Tuesday, September 22, 1987 the final 117-ton piece New bearings of "high-density plastic material" will give the bridge a much longer life: The bridge project, along with other nearby bridge and highway projects, are expected to cost $70 million. Each segment is manufactured with 10,000 pounds of reinforcing steel inside. The Zilwaukee Bridge is one of the few, if not the only, bridge in Michigan that doesn't use salt to de-ice the roadway, an MDOT official said. There have been some issues with ongoing maintenance projects through the years. The situation with old plans has been around for years, he said. The incident in August 1982 was caused by a large amount of mispositioned weight during the installation of a segment between two piers, according to MDOT. One thing worth noting: Upon the opening of this bridge to traffic, it served a triple concurrency of I-75/U.S. While there was a bridge in 1953, the area gained importance as a thoroughfare with the completion of the interstate highway system during the 1950s. Create your account. The new bearings should last anywhere from 25 to 50 years, or possibly even longer, he said. Moving the old bridge will save more than $1 million, they figure.". be found in Section There has been a Saginaw bridge for nearly 70 years. Yes, the Zilwaukee Bridge of 1960 was a drawbridge. Zilwaukee Bridge. bridge was opened to traffic on Monday, September 19, 1988. It may not have been the easiest transition, but growing pains are often parts of getting bigger. Another important step is taken to protect steel cables from corrosion. Mark Brush was Michigan Radios Digital Media Director. Kayla is a Web Producer for ClickOnDetroit. In this installment, MDOT. A midnight crew scrambled to safety as an overloaded thousand-foot-long bridge section shook, buckled and sagged. I am requesting a rigorous examination of the lane traffic and am seeking alternative plans that might help keep two-way traffic open during the construction process.. Construction crews began work on a major renovation project on the Zilwaukee Bridge this week. My concern is (if) there are other examples out there of marked drawings that are incomplete. each cable is about the size of a man's wrist. To use information contained on this site is to do so at your own risk. where they are to be erected. Ken Haddad is the digital content and audience manager for WDIV / ClickOnDetroit.com. That same article noted the City could save $10-30 million by buying the then-18-year-old structure than building a brand-new one, although it would have had to get Coast Guard approval, since it would have violated the maximum required channel with of 150 feet. as the construction proceeds. Investigators said there were five reasons for the failure. This was There were discussions about abandoning the project completely. It stands on its own steel legs He succumbed to a year-long battle with glioblastoma, an aggressive brain cancer, in March 2018. highway running from Detroit to the Mackinac Bridge. It is also exceptionally tall to allow shipping to pass beneath the bridge. All rights reserved (About Us). Work began on the southbound span first during 2013 and then transitioned over to the northbound bridge during 2014. According to MDOT records, other proposals included barring river traffic, relocating the freeway and digging a tunnel under the river. 10. The Zilwaukee Bridge is a box-and-girder concrete segmental bridge that crosses the Saginaw River in Michigan. The Zilwaukee Bridge has some impressive specifications. The hauler, based in Zilwaukee, transports auto parts and agriculture products. Chynoweth noted the new bearings would double the Zilwaukee Bridge's lifespan to a now-predicted 100 years, or through 2087. truck. bascule bridge was permanently closed on that datebut only to automobile We lifted and tilted and jacked it into place. The issue of one-way traffic is of great concern to local businesses and local government, he wrote in the letter to Steudle. It was a lime-stone hauler from Buffalo. These features expand or contract with the temperature, giving the bridge the ability to adjust to both the warm Michigan summers and extreme colds of winter without sacrificing structural stability. However, the size of interstate traffic was simply not appropriate for a small citynor did many drivers want to slow down on their way north to rural areas or south to Detroit. Read about the Zilwaukee Bridge collapse in 1982 and its reconstruction. Information. to the bridge and held in place while the epoxy is applied and the cables Click here to take a moment and familiarize yourself with our Community Guidelines. The total cost of the bridge project was around $127 million, with the federal funds paying for 90 percent of it, according to MDOT records. concrete segment onto the bridge, is the equivalent of 49 fully-loaded Unfortunately, that wasn't the reality. to traffic, the bad news did not stop even after motorists had been using The two new segments then are stressed to the The $3.3 million project was further hindered when crews determined that more than 30 new bearings were not designed properly. Community Rules apply to all content you upload or otherwise submit to this site. Great Lakes freighter traffic would force it to open about three times a day. It was actually a four-lane draw bridge and a freeway beginning at the northern end of the 1953 bypass (at present-day M-13), crossing the bridge and continuing north into Bay City. In 1975, transit officials decided to build a high-level bridge over the river. Construction begins by placing two segments directly atop a bridge pier, the bridge. The deck itself was able to be aligned back into place and the pier underneath was then heavily reinforced. The origin of today's Zilwaukee Bridge can be traced back to the original Almost exactly nine months later, the southbound side of the an outmoded, inadequate drawbridge that caused backups on the freeway every The concrete segments were built nearby, at a facility constructed for the project. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Advance Local. The bridge is built to carry more than double the heaviest traffic load expected during the worst traffic jams. ZILWAUKEE State Sen. Roger N. Kahn has urged the Michigan Department of Transportation to enact new, clear procedures to avoid the use of outdated blueprints that could lead to construction mishaps across the state. Boat traffic was also backed up on the river, as shipping traffic quadrupled in the years after the bridge opened. Periodically flooded roads around the world. On December 7, 2012 the Detroit News reported that a $70 million MDOT program would commence the following April to replace 154 bearings, rebuild 4 miles of I-75, replace the Janes Road bridge, and repair the CSX and Wadsworth Road rail bridges in the area. beginning at the existing route (Dixie Hwy) in Bridgeport, continuing northerly 195 lessons. (AP Photo/Michael Hollenbeck/The Saginaw News. They are held together with 20,000 miles of steel cable. Flint Journal file photoTravelers go on the Zilwaukee Bridge during lunchtime in 1999. ** FILE **Traffic is stop and go over the Zilwaukee Bridge Sunday afternoon in this July 6, 2003 photo, as the Fourth of July motorists head home. The bridge was built segment by segment, working from one end of the river toward the other side. Ground view shows massive dimensions It was the only stop on I-75 from southern Florida to the northern tip of Michigan. crossing the bridge and continuing northerly toward Bay City. (Please remember while reading the report, Privacy Policy and Cookie Statement updated 7/1/2022). Later during construction of new on- and off-ramps in the M-13 interchange on the bridge approach, workers uncovered an uncharted landfill containing PCB-contaminated waste, necessitating an environmental cleanup. MDOT's policy requires concrete cracks be repaired if they are larger than The grout cures to become Privacy Policy and Cookie Statement updated 7/1/2022). it joins. Back to: Table of Contents, Michigan Final position was attained on March 23, 1984, completing a challenging engineering and construction task and using some unusual and innovative methods in the process. The Zilwaukee Bridge is a massive segmental concrete bridge that carries the I-75 over the Saginaw River in Michigan. Its a stretch many who live in Metro Detroit are familiar with as a passage for a trip to Northern Michigan, perhaps for Memorial Day or Labor Day. We have some major businesses here in town that must have that expressway open.. Posted July 9, 2019, by Melissa Brand-Welch, National Bridge Inventory 2021: (Nearby Bridges), Bridgehunter.com: Historic Bridges of the United States, http://bridgehunter.com/mi/saginaw/saginaw-river/, July 9, 2019: New photo from Melissa Brand-Welch, November 13, 2018: New photo from Douglas Butler, October 6, 2018: New photos from Douglas Butler, August 6, 2014: New Street View added by Douglas Butler. Deck width: 74.0 ft. Also called I-75 Saginaw River Bridge Approximate latitude, longitude +43.48232, -83.91243 (decimal degrees) The so-called balanced cantilever construction went way out of balance. If youd like to read more in depth about the history of the Zilwaukee Bridge, check out this A-to-Z guide from Michigan Highways. The setback took two years and $6 million more unbudgeted dollars. primary purpose of the epoxy is to act as an environmental seal of the Cast-in-place bridge segments are cast in traveling forms placed One place where this really became an issue was in the town of Zilwaukee, Michigan in the US. How to Survive and Journey through the Nanisivik Highway, The Ultimate Guide to Traveling the Inuvik-Tuktoyaktuk Highway, Tuktoyaktuk Winter Road was closed permanently on April 2017, Dalton Highway is the loneliest road on Earth, Slettnes lighthouse: the road to the end of Europe, How to Stay Safe on Dangerous Roads: Preparing Your Car for Bad Weather Driving. Precast segments, such as those at the Zilwaukee Bridge, are fabricated of the unfinished ramps crossed a buried landfill contaminated with PCBs. Crank up the tunes. in the early-1980s which added many millions to the cost and years to the of high-strength reinforced concrete segments held together by thousands Its a lot of extra time and miles for my truck because were right off I-75, he said. part of the I-75/US-10/US-23 freeway. In 1979, construction on the elevated Zilwaukee Bridge, which accommodates both boat and vehicle traffic, began. Posted December 22, 2019, by Mike Kerkau (mjkerkau [at] gmail [dot] com) One thing worth noting: Upon the opening of this bridge to traffic, it served a triple concurrency of I-75/U.S. The original bid for the project was $76.8 million. And it wasnt just the cars that suffered. The project is expected to last through January 2015. auto transporter trucks weighing 40 tons each. The dramatic failure of the Zilwaukee Bridge was successfully repaired by the State of Michigan in 1983. Bridge in Zilwaukee and Zilwaukee Township, Michigan, "Z-Bridge screw up remains under investigation", "$70M construction project planned for Zilwaukee Bridge in April", "In the Field Report - "The Zilwaukee Bridge project", "Why Bridges Have Failed Throughout History", "The Z-Bridge: The Turbulent History Behind Michigan's Zilwaukee Bridge", https://en.wikipedia.org/w/index.php?title=Zilwaukee_Bridge&oldid=1120452718, Buildings and structures in Saginaw County, Michigan, Transportation in Saginaw County, Michigan, Bridges of the United States Numbered Highway System, Short description is different from Wikidata, Infobox mapframe without OSM relation ID on Wikidata, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 7 November 2022, at 02:38. If you need help with the Public File, call (313) 222-0566. The cause, according to Michigan Highways, was construction loads at that location were too heavy. fabrication of the segments. Brunner said MDOT will meet with government officials and business owners to review traffic patterns before construction begins. Originally, the Zilwaukee Bridge was to be completed by November 1983. Groves and Sons Company was the low bidder on a contract to complete the remaining bridge, and they engaged T.Y. The shifting of the deck destroyed the bearing, damaged the pillar and foundations, broke apart concrete slabs of the deck, and misaligned other joints in the structure. Heres an aerial map that shows the location of the draw bridge vs. the new bridge: Construction on the new structure, projected to cost about $77 million without ramps and approaches, started in late 1979. The agency has vowed to hire experts in concrete segmental bridge construction for the next project. Todays Zilwaukee Bridge can be traced back to the 1950s, and the original two-lane highway bypass on the east side of Saginaw, which according to Michigan Highways was completed in 1953. In April 2008, work crews replacing bridge bearings unexpectedly drilled into several reinforcing steel bars in the bridge. In a recent e-mail to staffers, Kahn said he was concerned that this is a potential recurring construction mistake, recurring unnecessary costs and delays, and potentially dangerous at projects statewide. spans are complete, the last segment is cast in place to join the spans. High pressure injection trained, four-person team to ensure that they met predetermined standards Zilwaukee Bridge is ahigh level bridge carrying I-75 [and US-23] over Most roads are bridges are simple structures, he said. According to a story Bridge Construction Engineering. Bridge Report Aerial Imagery Additional through downtown as the through route. It was actually a four-lane draw bridge and a freeway beginning at the northern end of the. Cables in the bridge run through galvanized steel ducts that have been Lin International (TYLI) to perform construction engineering services. concrete, forming another layer of protection for the steel cables. ), The The solution was ingenious: pipes filled with refrigerant were inserted into the bedrock and then frozen to create a firm foundation for the bridge. fixed to the opposite end. For precast segments, each individual piece is cast against its ultimate The bridge has twin decks built of a series the bridge opened, it also caused problems for traffic on the Saginaw River freeway beginning at the northern end of the 1953 bypass (at present-day M-13), In August of 1982, just one year before the bridge was supposed to be completed, one of the temporary compression blocks failed and collapsed. As the interstate highway system brought increased traffic to the area, a drawbridge was built in 1960. 120 and 160 tons. new eastern bypass of Saginaw for through US-23 traffic, But in August of 1982, after more than half the bridge had taken shape disaster struck. The weight of the launching girder, combined with the truck carrying a An average of more than 6,600 pounds of steel cables holds each segment in place. Sometimes, the back-ups exceeded 30 miles and several hours in length. Its like a teacher waved a magic wand and did the work for me. Nearly having to start over, construction took another 3 years, but in winter of 1987, the northbound lanes of the Zilwaukee Bridge finally opened to the public. Bridge "bearings" are pads under the bridge deck that transfer loads to the piers while allowing for some movement. site. of the ramp, now scheduled to open this year. Segments are transported from the fabricating plant to the bridge by a In November 1978, bids were taken for either a steel or concrete bridge, according to MDOT records. Ha! The Crossing the Saginaw River may have been exciting for kids who liked drawbridges, but enough adults became tired of the constant traffic that a new structure was needed. the Saginaw River at Zilwaukee. The bearing replacement project consisted of construction crews lifting the bridge structure about an inch using jacks "the size of large wine barrels," according to MDOT. The device is 940 feet long and can easily bridge across the longest Its purpose, though, was largely as a seal to keep out water and roadway contaminants. The worst back-ups, of course, occurred during While the most obvious The 4-lane highway crossed the Saginaw River as a draw bridge. Prior to that, all through traffic in the Saginaw area was funnelled construction accident halted all work in August 1982. Registration on or use of this site constitutes acceptance of our User Agreement, Privacy Policy and Cookie Statement, and Your California Privacy Rights (User Agreement updated 1/1/21. Our concern is if they shut it down for one year in each way, it could have a major impact, Jolin said. News never stops. back to a major construction accident while bridge was not yet half completed The segmental bridge is built from individual concrete pieces, or segments, The tractor and trailer combined weigh 102 tons. The immediate response to the accident was to halt construction and investigate the extent of the damage. and reconstructing the newly-completed I-675 loop The current eight-lane structure, completed in 1988, is the second such bridge at this location, replacing . In 1960, the first repairs as well as a discussion of the safety of the bridge, which was He also authors the Morning Report Newsletter and various other newsletters. The main reason for the accident was that too much weight was placed on a compression block. I dont know whether or not the problem with the Z-Bridge is limited to the Z-Bridge or not, said Kahn, chairman of the Senate Appropriations Committee, in a recent interview. They range from a few hundred For example, consider drawbridges. On August 28, 1982, temporary compression blocks began to crush while a concrete segment was being transported, causing a 300-foot-long section of the bridge deck to sag five feet on one end, and rise three-and-a-half feet on the other end. 23/U.S. The bridge also features a massive tie-down block that spans 57 x 46 x 5-1/2 feet and weighs about 1,100 tons. added to one end of the completed group, and then a balancing segment is Idahosa noted that aside helping to reduce to the barest minimum the number of deaths at that portion of the highway, construction of a pedestrian bridge there would also help reduce the number of . But the state has about half a dozen spans, such as the Blue Water, Zug Island and Mackinac bridges, where it could apply lessons learned from the Zilwaukee Bridge mishap, he said. Hydraulic presses were used to realign the bridge. The towns population, as of 2010, was about 1,600. By the end of the next year, the original 1953 US-23 bypass Annotated Aerial Image, I-75 and Zilwaukee Bridge Improvements: Construction and Motorist Information, Photography Why is the Zilwaukee Bridge so tall? 91.3 Port Huron 89.7 Lansing 91.1 Flint. So a new footing was built over the old footing and that is anchored down into bedrock, Chynoweth said. Without the Zilwaukee Bridge, it would be much more difficult for drivers to pass through the region. The tilting also damaged the pier footing beneath it. Traffic heading north each weekend, and south when the weekend is over, will still be able to traverse three lanes on the bridge. For five years, it has routinely stored blueprints electronically, he Engineers said even after 35 years, its holding up well. This balanced group of four The Mackinac Bridge opened in 1957. I say we go back to these days and watch the boats go by: 91.7 Ann Arbor/Detroit 104.1 Grand Rapids [5] During 2014, special custom-made jacks were put into place as a stop-gap measure while bearings were replaced.[6]. Though some have speculated that the bridge was glued together, theyre not entirely far off. traffic. The building and opening of the Zilwaukee Bridge: Yet, five years later than expected, on Dec. 23, 1987, the first vehicles crossed the northbound side. The current bridge is not the first Zilwaukee River crossing. filled with cement grout under high pressure. However, construction of the new segmental concrete bridge ran into trouble in 1982 when an expansion joint was overloaded, crushing the temporary expansion block. In the 1980's, Toebe completed a number of large . This would have been a big enough problem with only the increased vehicle traffic, but Michigan's growing economy also meant that shipping traffic was rapidly increasing. project later in the decade. after it is opened to traffic. Repairs totaled $6.8 million. They ride electric cars inside to inspect and do repairs. In 1979, construction started on a new, elevated bridge that ships could simply pass underneath. With regard to the bridge itself, 154 bearings installed during the bridge's construction in the 1980s were replaced with new ones made of "a high-density plastic material" according to MDOT's Engineer of Bridge Field Services Matthew J. Chynoweth. And thanks to Chris Bessert for compiling all of this great historical information. This archive footage shows construction at Michigan's Zilwaukee Bridge in 1982 and its official opening in 1987. It makes for an imposing sight, and the Zilwaukee Riverfront Park sits nearby. The Zilwaukee Bridge is a high-level, segmental concrete bridge spanning the Saginaw River in the U.S. state of Michigan. The present structure was designed to relieve traffic congestion along the freeway crossing it, resulting from repeated openings of the draw span for lake freighter traffic serving industrial sites along the river. Sunshine Skyway Bridge at Tampa, Fla., opened in 1987. group to create a solid unit, six segments long. with post-tensioned steel cables to form the deck, or superstructure, of completed. 107. The first two of those still serve this route across the current Zilwaukee Bridge today, but U.S. 10 was scaled back to end west of Bay City at around the same time that this bridge was replaced with that one. The newly developed concept of interstate highways changed the way that people moved around and brought more commuters through the region on their way from Detroit to the Upper and Lower Peninsula-connecting Mackinac Bridge. When In 1960, the new route opened -- and the Zilwaukee Bridge was born. problems concerned the massive traffic tie-ups on the freeway each time A pier footing cracked, presumably due to resulting stress. It was thought that this would accommodate both boat and vehicle traffic. If you purchase a product or register for an account through one of the links on our site, we may receive compensation. Learn about the Zilwaukee Bridge on the Saginaw River, its history, and its height. All rights reserved (About Us). Still looking for information "and Bay City officials want to buy it, dismantle it and move it 7 1/2 miles north to replace bridge in city that collapsed in the 1950s. Instead, a chemical compound called calcium magnesium acetate is used as an alternative. polychorinated biphenyl will cost at least $100,000 and could delay completion Stored blueprints electronically, he said Dixie Hwy ) in Bridgeport, continuing northerly 195 lessons level bridge carrying [. 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As of 2010, was construction loads at that location were too heavy served a triple concurrency I-75/U.S. With an expected completion date three years later, but growing pains are often parts of getting bigger in,. Permanently closed on that datebut only to automobile We lifted and tilted and jacked it into place movement. Government, he said last anywhere from 25 to 50 years, or possibly longer! Sometimes, the new Zilwaukee bridge is a bit shorter than the section they were attempting attach! First two of those still serve this route across the current bridge is a high-level, segmental bridge! Permanently closed on that datebut only to automobile We lifted and tilted and jacked it into.. Was built segment by segment, working from one end of the Zilwaukee is... Bridge pier, the Zilwaukee bridge of 1960 was a drawbridge together, theyre not entirely off... Or possibly even longer, he said officials how to avoid zilwaukee bridge Business owners to review traffic patterns construction... Worst traffic jams replacing bridge bearings unexpectedly drilled into several reinforcing steel inside the of. Construction at Michigan & # x27 ; s, Toebe completed a of. Several reinforcing steel bars in the letter to Steudle many steel cables to allow shipping to pass through the.! With government officials and Business owners to review traffic patterns before construction begins thing worth noting: Upon the of! Bridge over the Saginaw River at Zilwaukee highway system brought increased traffic to the piers while allowing for some.... Were five reasons for the project is expected to last through January 2015. auto transporter trucks 40! Toebe completed a number of large they are held together with 20,000 miles of steel cable 's much! They were attempting to attach it to the damage will cost at least $ 100,000 and could delay holding well. Do so at your own risk steel bars in the years with post-tensioned steel cables from corrosion 2008., buckled and sagged hire experts in concrete segmental bridge that I had known prior to when first. It has routinely stored blueprints electronically, he said the entire segment instantly sank five feet lower than section. Those at the northern tip of Michigan how to avoid zilwaukee bridge 1983 thing worth noting Upon...
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how to avoid zilwaukee bridge