IRR BIA RTE 221 over Shonto Wash
Good Condition24 years old725 vehicles/day
Location
| State | Arizona |
| County | Navajo |
| Location | At Shonto Chapter House |
| Carries | IRR BIA RTE 221 |
| Crosses | Shonto Wash |
| Coordinates | 36.59419, -110.64347 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 72.5 ft (22.1 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 216.6 sq m |
| Main Spans | 1 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 725 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | Bureau of Indian Affairs |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 00000000000N330 |