Irr Bia Rte 10 over Seven Mile Wash
Gila County, Arizona · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Irr Bia Rte 10 over Seven Mile Wash in Gila County, Arizona, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1994, making it 31 years old at the 2025 inventory.
- It carries about 160 vehicles a day (traffic count year 2024).
- It is one of 108 of the 259 inventoried bridges in Gila County rated fair (41.7%); 4 (1.5%) are rated poor.
- 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 → (33.37647, -110.44917)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 479 ft |
| Location | 2.7 Km N of San Carlos |
| NBI structure number | 00000000000H208 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arizona department of transportation.
Busiest bridges in Gila County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 60 over Pinal Creek | 1920 | 22,518 | Fair |
| US 60 over Pinal Creek | 1942 | 21,948 | Fair |
| US 60 over Wash | 1949 | 16,468 | Fair |
| US 60 over Wash | 1949 | 16,468 | Fair |
| US 60 over Pinal Creek | 1959 | 16,320 | Fair |
| US 60 over McMillen Wash | 1930 | 16,297 | Fair |
All bridges nearby: Gila County, AZ bridge conditions · every bridge in Gila County · Arizona bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.