THE CONCRETE BRIDGE MAGAZINE

FALL 2015

ASPIRE is a quarterly magazine published by PCI in cooperation with the associations of the National Concrete Bridge Council. The editorial content focuses on the latest technology and key issues in the Concrete Bridge Industry.

Issue link: http://www.aspiremagazinebyengineers.com/i/575053

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PROJECT REPLACEMENT OF THE M-50/I-96 BRIDGE Making Everyday Count by Bruce L. Campbell, Parsons The Federal Highway Administration's (FHWA's) current research concludes that 25% of our nation's 600,000+ bridges need repair or replacement on highways that are already heavily congested without the added strain of road closures. In 2009, the FHWA launched the Every Day Counts initiative in cooperation with the American Association of State Highway and Transportation Officials (AASHTO). Goals of this initiative included reducing highway project delivery schedules and providing workable innovations to combat budget challenges, which commonly prevent jurisdictions from tackling much-needed infrastructure projects. One of the ways that the Every Day Counts initiative is being implemented is through accelerated bridge construction (ABC) methods. ABC technologies are changing the ways departments of transportation (DOTs) across the country do business. Slide-in bridge technology is an ABC method that significantly decreases traffic delays and road closures, improves motorist and worker safety, and reduces project costs. By advancing twenty-first century solutions, the highway community is ensuring that the nation's roads and bridges are being built better, faster, and smarter. The M-50/I-96 Bridge slide in Lowell Township, Mich., is part of the FHWA's Every Day Counts initiative and is a prime example of the use of innovative ABC technology. According to Roger Safford, an engineer with the Michigan Department of Transportation (MDOT), "This is the type of quality project every engineer wants to be a part of. . .unique, innovative, and extremely effective. Working with such a diverse group of people and watching it unfold the way we intended was very fulfilling. I'm proud that Michigan has raised the bar and set a new standard for bridge replacement." Project Overview The $8.1 million replacement of the 1959 concrete-haunched T-beam bridge carrying M-50 over I-96 in Kent County, PROFILE M-50/I-96 BRIDGE / LOWELL TOWNSHIP, MICHIGAN MICHIGAN DEPARTMENT OF TRANSPORTATION, OWNER BRIDGE DESIGN ENGINEER: Michigan Department of Transportation, Lansing, Mich. TEMPORARY WORKS/SLIDE ENGINEER: Parsons, Pasadena, Calif. PRIME CONTRACTOR: Anlaan Corporation, Grand Haven, Mich. TRAFFIC ENGINEER: HH Engineering Ltd., Detroit, Mich. SLIDING SUBCONTRACTOR: Mammoet USA South Inc., Rosharon, Tex. PRECASTER: Stresscon Industries Inc., Shelby Township, Mich.- a PCI-certified producer BRIDGE DESCRIPTION: The existing four-span structure was replaced with a new bridge that was 33 ft wider to accommodate two additional lanes, including left-hand turn lanes and two full 10-ft shoulders to bring the bridge up to standard. STRUCTURAL COMPONENTS: Twenty-two (11 each span) 99-ft-long precast prestressed box beams; cast-in-place concrete deck; cast-in-place concrete pier cap, columns, and footing; cast-in-place concrete abutment; and mechanically stabilized earth retaining walls. BRIDGE CONSTRUCTION COST: $8.1 million AWARDS: Engineering Honorable Conceptor Award from American Council of Engineering Companies (ACEC)

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