Case Study
Blennerhassett Bridge
Blennerhassett Bridge Parkersburg, West Virginia, to Ohio New span improves access to cities east and west of Ohio River • Extensive bridge expertise aids completion of longest tied-arch span • Project completes U.S. Highway 50 • Bridge improves access to major cities, boosting economic development HNTB provided design and construction-inspection services for the Blennerhassett Bridge, the longest tied-arch span in the United Sates. The bridge passes over Blennerhassett Island, a historical state park and wetland, as it carries U.S. Highway 50 over the Ohio River from Parkersburg, West Virginia, to the Ohio state line. A project 40 years in the making, the bridge completes U.S. 50, which is one of the original Appalachian corridors. It is expected to greatly enhance economic dev