Telera St (Ajo) over Ajo Wash
Pima County, Arizona · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Telera St (Ajo) over Ajo Wash in Pima County, Arizona, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1935, making it 90 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 11 of the 1,154 inventoried bridges in Pima County rated poor (1.0%); 11 (1.0%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Status change: newly closed since 2024.
- Its most recent inspection on record is dated December 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (32.37352, -112.86603)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 3 | 3 | Serious condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 21 ft |
| Location | South of Rocalla Ave |
| NBI structure number | 08258 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | December 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arizona department of transportation.
Busiest bridges in Pima County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ramp to I-10 NW over I 10 Mainline | 2003 | 281,068 | Fair |
| I-10 EB & WB over Cushing Street | 2009 | 209,279 | Good |
| I-10 EB & WB over 18th Street | 2009 | 209,269 | Good |
| I-10 EB & WB over Congress Street | 2009 | 195,388 | Good |
| I-10 over St. Marys Rd | 2009 | 195,068 | Fair |
| I-10 over Speedway Blvd. | 2009 | 195,068 | Good |
All bridges nearby: Pima County, AZ bridge conditions · every bridge in Pima County · Arizona bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.