Colossal Cave Road over Pantano Wash
Fair Condition38 years old9,096 vehicles/day
Location
| State | Arizona |
| County | Pima |
| Location | 2.2 Mi N Of I 10 |
| Carries | Colossal Cave Road |
| Crosses | Pantano Wash |
| Coordinates | 32.04985, -110.69757 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 382.9 ft (116.7 m) |
| Max Span | 125.0 ft (38.1 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 1680.5 sq m |
| Main Spans | 3 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 9,096 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 07575 |