US 191 over Chase Creek
Greenlee County, Arizona · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 191 over Chase Creek in Greenlee County, Arizona, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 97 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 40 of the 91 inventoried bridges in Greenlee County rated good (44.0%); 3 (3.3%) 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 September 2021, on a 48-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (33.1689, -109.367)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 23 ft |
| Location | 20.6 mi N Jct SR 78 |
| NBI structure number | 06774 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2021 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Arizona department of transportation.
Busiest bridges in Greenlee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 191 over San Francisco River | 2012 | 8,042 | Good |
| US 191 over Chase Creek No 1 | 1948 | 7,602 | Fair |
| US 191 over Ward Canyon | 2002 | 7,602 | Good |
| US 191 over Railroad | 2003 | 7,602 | Good |
| US 191 NB over Niger Canyon | 1942 | 5,190 | Fair |
| US 191 SB over Rattlesnake Canyon | 1942 | 5,190 | Fair |
All bridges nearby: Greenlee County, AZ bridge conditions · every bridge in Greenlee County · Arizona bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.