IRR BIA RTE 12 over Neff Extension Drain
Fair Condition28 years old60 vehicles/day
Location
| State | Michigan |
| County | Isabella |
| Location | Saginaw Chippewa Res. |
| Carries | IRR BIA RTE 12 |
| Crosses | Neff Extension Drain |
| Coordinates | 43.59492, -84.70638 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 20.0 ft (6.1 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 64.0 ft (19.5 m) |
| Deck Area | 119.0 sq m |
| Main Spans | 1 |
| Year Built | 1998 |
Traffic
| Avg Daily Traffic | 60 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000F520 |