Projects and Closures Find detailed information and maps about ongoing and upcoming projects as well as traffic restrictions on the county's roads and bridges.
Bids and Proposals View Public Works' open solicitations, and learn more about how to register as a supplier and submit a bid or proposal.
Roads Learn how Public Works maintains the county's roads, and find the answers to frequently asked questions about roads.
Bridges and Tunnels Learn how Public Works maintains the county-owned bridges, and find the answers to frequently asked questions about bridges.
Road and Bridge Permits Find out when a county road or bridge permit is required and how to apply for one.
Adopt-a-Roadway Program Learn about the county's Adopt-a-Roadway program, which provides organizations, corporations, groups, and individuals the opportunity to help keep county roadways trash-free.
Public Works Seeks Input for Bridge Project on Spang Road in Marshall Published on August 27, 2025 The Department of Public Works announced today that it will seek public input online from September 10-24 for an upcoming project to replace Big Sewickley Creek Bridge No. 7, which carries Spang Road near Warrendale Bayne Road in Marshall Township. To learn about the project and provide input, please visit https://engagement.alleghenycounty.us/big-sewickley-creek-bridge-no-7-replacement-project. Tagged as: , Announcements, County News, Media Releases, Public Notices, Public Works
COURTESY RELEASE: Roberto Clemente Bridge to Close Thursday-Sunday Published on August 26, 2025 The Department of Public Works announced today that it has granted a permit to the Pittsburgh Pirates to close the Roberto Clemente (Sixth Street) Bridge in Pittsburgh from 6 p.m. on Thursday, August 28 through 2 a.m. on Sunday, August 31. The closure is needed to accommodate Savannah Bananas games at PNC Park and related activities on the adjacent Federal Street. Tagged as: , Announcements, County News, Courtesy News Release, Media Releases, Public Notices, Public Works