US 180 over Cottonwood Wash
Good Condition55 years old418 vehicles/day
Location
| State | Arizona |
| County | Navajo |
| Location | 18.3 Mi E Jct SR 77 |
| Carries | US 180 |
| Crosses | Cottonwood Wash |
| Coordinates | 34.78866, -109.88215 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 110.9 ft (33.8 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 439.4 sq m |
| Main Spans | 4 |
| Year Built | 1971 (reconstructed 2020) |
Traffic
| Avg Daily Traffic | 418 (2022) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 01603 |