I-69 and I-94 / KH-402 Over St. Clair River in Port Huron and Sarnia (Point Edward): St. Clair County, Michigan and Lambton County, Ontario, Canada and United States
Metal Cantilever (Arched) Rivet-Connected Polygonal Warren Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Warren Deck Truss, Fixed
Length: 6,178 ft.
Main Span: 871 ft.
Roadway: 32 ft.
Main Spans: 3
By: American Bridge Company of New York, New York
and Modjeski and Masters (Ralph Modjeski)
Special Bridge Conditions Legend: R - Former location of relocated bridge.
! - At risk for demolition or destruction.
X - Confirmed demolished or
- Dismantled and/or in storage.
Severe loss of historic integrity due to alteration.