Airline Road over South Br Chippewa River
Poor Condition52 years old693 vehicles/day
Location
| State | Michigan |
| County | Isabella |
| Location | 0.45m W NE Cor Sec 17 T15 |
| Carries | Airline Road |
| Crosses | South Br Chippewa River |
| Coordinates | 43.69011, -85.05690 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Slab |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 25.9 ft (7.9 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 161.2 sq m |
| Main Spans | 2 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 693 (2024) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004285 |