I-94 WB over ST Clair River Cn Rr
Good Condition88 years old7,234 vehicles/day
Location
| State | Michigan |
| County | St. Clair |
| Location | At Port Huron |
| Carries | I-94 WB |
| Crosses | ST Clair River Cn Rr |
| Coordinates | 42.99929, -82.42487 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Truss - Thru |
| Total Length | 6178.5 ft (1883.2 m) |
| Max Span | 871.1 ft (265.5 m) |
| Deck Width | 37.4 ft (11.4 m) |
| Deck Area | 21468.5 sq m |
| Main Spans | 3 |
| Year Built | 1938 (reconstructed 1999) |
Traffic
| Avg Daily Traffic | 7,234 (2007) |
| Truck Traffic | 28% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 17 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000009988 |