I 19; NB over Western Ave
Santa Cruz County, Arizona · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I 19; NB over Western Ave in Santa Cruz 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 6,046 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 59 of the 137 inventoried bridges in Santa Cruz County rated fair (43.1%); 1 (0.7%) 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 → (31.3412, -110.9537)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete tee beam |
| Length | about 126 ft |
| Location | 4.2 mi S Jct B19 |
| NBI structure number | 01545 |
| 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) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arizona department of transportation.
Busiest bridges in Santa Cruz County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 19; Nb-sb-e & Wf over Alamo Canyon | 1949 | 31,010 | Good |
| I19 N & S & FRs over Wash | 1951 | 30,755 | Good |
| I 19 over Calabasas Canyon | 1951 | 27,010 | Good |
| I 19 over Dry Wash | 1977 | 19,924 | Good |
| I 19 over Tubac Creek Wash | 1978 | 19,046 | Good |
| SB 19; Fap 001 over Mariposa Canyon | 1968 | 18,989 | Fair |
All bridges nearby: Santa Cruz County, AZ bridge conditions · every bridge in Santa Cruz County · Arizona bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.