Co 15th St over West Main Canal
Yuma County, Arizona · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Co 15th St over West Main Canal in Yuma County, Arizona, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1988, making it 37 years old at the 2025 inventory.
- It carries about 680 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 123 of the 262 inventoried bridges in Yuma County rated fair (46.9%); 6 (2.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: deck 8 to 7, superstructure 8 to 7.
- Its most recent inspection on record is dated March 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (32.61102, -114.76136)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 8 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 48 ft |
| Location | 0.6 mi E Jct Steamboat St |
| NBI structure number | 08913 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arizona department of transportation.
Busiest bridges in Yuma County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 16th St over UPRR | 1951 | 41,102 | Fair |
| US 95 over I-8 | 1970 | 35,771 | Fair |
| 24th Street over Yuma East Main Canal | 1977 | 31,727 | Fair |
| Main Street over Main Drain | 1999 | 24,767 | Good |
| US 95 over East Main Canal | 1969 | 22,266 | Fair |
| 32nd St over East Main Canal | 1984 | 21,418 | Good |
All bridges nearby: Yuma County, AZ bridge conditions · every bridge in Yuma County · Arizona bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.