Park Road over Cottonwood Wash
Navajo County, Arizona · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Park Road over Cottonwood Wash in Navajo 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 1971, making it 54 years old at the 2025 inventory.
- It carries about 2,200 vehicles a day (traffic count year 2019).
- It is one of 124 of the 278 inventoried bridges in Navajo County rated fair (44.6%); 6 (2.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated April 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 → (34.809, -109.87522)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 90 ft |
| Location | 1.65 Miles North of U.S. |
| NBI structure number | 8430001P0000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arizona department of transportation.
Busiest bridges in Navajo County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 40 Nfr & Sfr over Wash | 1974 | 24,335 | Good |
| I 40; EB & WB over Wash | 1954 | 24,068 | Good |
| I 40; EB & WB over Wash | 1962 | 23,968 | Good |
| I 40; EB & WB over Wash | 1962 | 23,968 | Good |
| I 40; EB & WB over Wash | 1965 | 23,968 | Good |
| I 40; EB & WB over Wash | 1965 | 23,968 | Good |
All bridges nearby: Navajo County, AZ bridge conditions · every bridge in Navajo County · Arizona bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.