M-20 over Chippewa River
Fair Condition92 years old6,611 vehicles/day
Location
| State | Michigan |
| County | Isabella |
| Location | 7.2 Mi E Of Mecosta Col |
| Carries | M-20 |
| Crosses | Chippewa River |
| Coordinates | 43.59701, -84.94317 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 79.7 ft (24.3 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 49.9 ft (15.2 m) |
| Deck Area | 369.4 sq m |
| Main Spans | 2 |
| Year Built | 1934 (reconstructed 1973) |
Traffic
| Avg Daily Traffic | 6,611 (2007) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004263 |