US 191 SB over Niger Canyon
Good Condition46 years old2,347 vehicles/day
Location
| State | Arizona |
| County | Greenlee |
| Location | 3.2 Mi North Of Jct SR 75 |
| Carries | US 191 SB |
| Crosses | Niger Canyon |
| Coordinates | 32.98270, -109.26000 |
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 | 57.1 ft (17.4 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 201.8 sq m |
| Main Spans | 4 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 2,347 (2020) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 921 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 06718 |