Bridge conditions in Alamosa County, Colorado
15 inventoried bridges · 0 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
None of the 15 inventoried bridges in Alamosa County are rated in poor condition in the current federal inventory. 6 are rated good and 9 fair.
- 0 of the 15 bridges in Alamosa County, Colorado, are rated in poor condition (0.0%) in the 2025 National Bridge Inventory, as of .
- 6 bridges (40.0%) are rated good and 9 (60.0%) fair.
- The median Alamosa County bridge was built in 1990.
Good 40.0% · Fair 60.0% · Poor 0.0% of 15 bridges
Bridges rated poor
No bridges in this county carry a poor rating in the current inventory.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 160 Ml over Rio Grande | 1966 | 13,000 | Fair |
| US 285 Ml over Rock Creek | 1960 | 5,900 | Good |
| State St (CR 650) over Rio Grande River | 1982 | 1,994 | Fair |
| County Road 100 over Empire Canal | 1991 | 1,052 | Fair |
| SH 368 Ml over Alamosa Farm Laterl Cana | 1955 | 230 | Fair |
| SH 368 Ml over Empire Irrigation Canal | 1955 | 230 | Good |
| County Rd. 12 Mile over Empire Canal | 1990 | 132 | Good |
| County Road 112 over Rock Creek | 1990 | 121 | Fair |
| County Road 112 over La Jara Creek | 1990 | 98 | Fair |
| Access State Park over Franklin Eddy Canal | 1985 | 50 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Colorado: Colorado bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.