IRR BIA RTE 31 over Southern Pacific Rr
Poor Condition61 years old3,550 vehicles/day
Location
| State | Arizona |
| County | Yuma |
| Location | In Fort Yuma Sub-agency |
| Carries | IRR BIA RTE 31 |
| Crosses | Southern Pacific Rr |
| Coordinates | 32.72982, -114.61558 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 117.8 ft (35.9 m) |
| Max Span | 51.2 ft (15.6 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 366.2 sq m |
| Main Spans | 3 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 3,550 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000H050 |