A $7.5 million bridge placement project over I-90 in Onondaga County is underway. The Townline Road bridge (milepost 280.31) in the Towns of DeWitt and Salina will be replaced with a modern structure. The current bridge was built in 1953 and carries Townline Road over the Thruway (I-90). According to the state, approximately 12,400 vehicles per day travel over the bridge.
The existing structure will be replaced with a new bridge featuring increased vertical clearances. The clearance on the eastbound lanes will be increased from 14 feet three inches to 16 feet and seven inches and clearance on the westbound lanes will be increased from 14 feet nine inches to 17 feet and three to mitigate bridge strikes caused by overheight vehicles and enhance safety for Thruway Authority employees and motorists.
Additional safety upgrades include full-depth pavement reconstruction of the approaches on Townline Road over I-90, reconstruction of the shoulders of I-90 under the bridge, new safety guide rail, as well as the installation of a snow fence to prevent blowing snow, pedestrian sidewalk and several drainage structures along Townline Road.
Beginning March 31, the Townline Road bridge will be closed to traffic for the duration of the project. A 3.8-mile signed detour will be in place.
The south side of Townline Road will be closed at Factory Avenue. Eastbound traffic on Factory Avenue will be detoured south to Military Circle. Northbound traffic on Townline Road will be detoured west on Factory Avenue.
The north side of Townline Road will be closed at Vincent Drive with northbound and southbound traffic detoured east on East Molloy Road. Eastbound and westbound traffic on East Molloy Road will not be affected by the detour.
Motorists may encounter traffic slowdowns or stoppages on the Thruway during construction. Variable Message Signs will advise motorists of the construction work and detour information.
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