BIA 507 over Keams Canyon Wash
Good Condition42 years old445 vehicles/day
Location
| State | Arizona |
| County | Navajo |
| Location | 7 Km West Of First Mesa |
| Carries | BIA 507 |
| Crosses | Keams Canyon Wash |
| Coordinates | 35.82931, -110.30294 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 59.7 ft (18.2 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 90.2 ft (27.5 m) |
| Deck Area | 500.5 sq m |
| Main Spans | 2 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 445 (2024) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0000H65608B0222 |