E County Line Road over Onion Creek
Good Condition36 years old336 vehicles/day
Location
| State | Michigan |
| County | Isabella |
| Location | Sec 25 E Chippewa Twp |
| Carries | E County Line Road |
| Crosses | Onion Creek |
| Coordinates | 43.57150, -84.60780 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 35.8 ft (10.9 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 114.7 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 336 (2015) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004328 |