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March 2017

Slide-In Bridge Construction Method Will Rebuild I-70 in Wayne County, Indiana

SOURCE: INDOT Press Release

Walsh Construction Company was awarded a $5.6 million contract to replace twin three-span bridges carrying eastbound and westbound Interstate 70 over State Road 121 / New Paris Pike in Wayne County.

Walsh will use an Accelerated Bridge Construction method using detailed plans for Slide-In Bridge Construction to rebuild the two structures. Construction is anticipated to begin in early April 2017 and finish before June of 2018.

What to Expect
Construction will require recurring overnight lane closures on eastbound and westbound I-70 between 9 p.m. and 6 a.m. between State Road 227 (Exit 153) and U.S. 40 (Exit 156).

During the demolition and slide of each bridge, that direction of traffic will be reduced to one lane and shifted across the median for up to 13 days while the existing structure is removed and the new bridge deck is slid into place. At least one lane of traffic will be maintained in each direction.

State Road 121 / New Paris Pike will be closed under the I-70 bridges for a maximum of 60 days while State Road 121 pavement and the I-70 bridges are rebuilt. A specific closure date will be announced. During the closure of State Road 121, highway traffic will be detoured south to U.S. 40 via Indiana Route 227, U.S. 27 and Ohio Route 320.

How Slide-In Bridge Construction Works
The new bridge deck will be built on temporary supports adjacent to the existing bridge. After the new bridge is built, that direction of traffic will be reduced to one lane and temporarily shifted across the median to share the other side of the interstate with the opposing direction of traffic separated by concrete barriers. The existing bridge will be demolished and the new bridge will slide laterally into place. The approaches to the new bridge will be rebuilt, and traffic will be returned to its normal configuration. This sequencing will occur twice, once for each bridge and direction of traffic.

See a time-lapse video of Slide-In Bridge Construction of the Milton-Madison Bridge over the Ohio River - click here.

Benefits of Slide-In Bridge Construction
Slide-In Bridge Construction is intended to provide innovative solutions to the challenges of interstate bridge replacements. This project will substantially further the goals of adopting innovative bridge construction techniques, accelerating construction, increasing safety, reducing the costs of maintaining traffic, and minimizing impacts to motorists during interstate bridge construction.

Building the deck in a temporary location and sliding it into place will also improve construction quality. The entire deck can be built at once, which eliminates construction joints in the deck that expose the structure to the elements.

Walsh

WALSH CONSTRUCTION

929 West Adams Street
Chicago, Illinois 60607
T: 312.563.5400
F: 312.563.5466

Walsh

ARCHER WESTERN

2839 Paces Ferry Road SE
Suite 1200
Atlanta, Georgia 30339
T: 404.495.8700
F: 404.495.8701

Walsh

WALSH CANADA

36 York Mills Road
Suite 302
Toronto, Ontario M2P 2E9
T: 416.849.9000
F: 416.849.9100

©2024 The Walsh Group. Equal Opportunity Employer (EEO) including Disability/Protected Veterans (link). All Rights Reserved. View our EEO Policy here: (link). View a digital copy of the Federal, State, and Federal Contractor Posters: (link)

The Walsh Group, Ltd. is committed to providing equal opportunity to qualified applicants with disabilities to compete for jobs. To request a reasonable accommodation in completing this application, please contact the Human Resources Department via phone at 312-563-5905 or via email at HR@walshgroup.com. The Walsh Group does not screen applicants based on their wage or salary history or seek this information from applicants’ current or former employers.   Walsh Canada Accessibility