North Rim Drive over Rio De Chelly
Apache County, Arizona · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- North Rim Drive over Rio De Chelly in Apache County, Arizona, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1966, making it 59 years old at the 2025 inventory.
- It carries about 750 vehicles a day (traffic count year 2019).
- It is one of 116 of the 258 inventoried bridges in Apache County rated fair (45.0%); 16 (6.2%) 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: substructure 5 to 6.
- 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 → (36.15431, -109.53786)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 5 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 272 ft |
| Location | Route 64 (north Rim Drive |
| NBI structure number | 7390001P0000000 |
| 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 Apache County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Irr I 40; EB over Black Creek | 1967 | 25,552 | Fair |
| Irr I 40; EB & WB over Wash | 1964 | 25,270 | Good |
| Irr I 40; EB & WB over Cedar Point Wash | 1949 | 25,270 | Good |
| Irr I 40; EB & WB over Wash | 1963 | 22,521 | Good |
| Irr I 40; EB & WB over Wash | 1966 | 22,224 | Fair |
| Irr I 40; EB & WB over Wash | 1962 | 22,224 | Good |
All bridges nearby: Apache County, AZ bridge conditions · every bridge in Apache County · Arizona bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.