IRR BIA RTE 21 over Main Drain 17th Avenue
Fair Condition57 years old90 vehicles/day
Location
| State | Arizona |
| County | La Paz |
| Location | 0.3 Km S Of BIA RTE 21/34 |
| Carries | IRR BIA RTE 21 |
| Crosses | Main Drain 17th Avenue |
| Coordinates | 33.92319, -114.45131 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 75.5 ft (23 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 193.2 sq m |
| Main Spans | 3 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 90 (2021) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2021 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000H026 |