Us-12 (m/e Tri Lvl over Acm Test Track
Fair Condition84 years old23,000 vehicles/day
Location
| State | Michigan |
| County | Washtenaw |
| Location | 0.5 Mi W Of Co Line |
| Carries | Us-12 (m/e Tri Lvl |
| Crosses | Acm Test Track |
| Coordinates | 42.24762, -83.55238 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 142.4 ft (43.4 m) |
| Max Span | 51.8 ft (15.8 m) |
| Deck Width | 72.8 ft (22.2 m) |
| Deck Area | 963.5 sq m |
| Main Spans | 3 |
| Year Built | 1942 (reconstructed 2017) |
Traffic
| Avg Daily Traffic | 23,000 (1995) |
| Truck Traffic | 5% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000010853 |