IRR BIA RTE 51 over So. Branch Oconto River
Fair Condition49 years old50 vehicles/day
Location
| State | Wisconsin |
| County | Menominee |
| Location | 15 Km South Of Langlade |
| Carries | IRR BIA RTE 51 |
| Crosses | So. Branch Oconto River |
| Coordinates | 45.09137, -88.55914 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Channel Beam |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 74.7 sq m |
| Main Spans | 1 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 50 (2024) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000F905 |