Bridge conditions in Costilla County, Colorado
38 inventoried bridges · 0 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Costilla County is one of the counties with a clean sheet: 38 bridges on the federal inventory and not one rated poor. 34 carry a fair rating, which means wear worth watching but no structural deficiency.
- 0 of the 38 bridges in Costilla County, Colorado, are rated in poor condition (0.0%) in the 2025 National Bridge Inventory, as of .
- 4 bridges (10.5%) are rated good and 34 (89.5%) fair.
- The median Costilla County bridge was built in 1992.
Good 10.5% · Fair 89.5% · Poor 0.0% of 38 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 Canal | 1970 | 5,000 | Good |
| County Road P.6 over Unnamed Drainage | 2006 | 1,230 | Fair |
| SH 159 Ml over Culebra Creek | 1936 | 800 | Fair |
| C.rd Trinchera over Sangre De Cristo Creek | 1989 | 531 | Fair |
| County Road 21 over Culebra Creek | 1955 | 475 | Fair |
| SH 142 Ml over Rito Seco Creek | 1936 | 440 | Good |
| County Road P over Culebra Eastdale Canal | 1992 | 374 | Fair |
| 6TH Street over Rito Seco | 1990 | 257 | Fair |
| Archie Street over Rito Seco | 1990 | 225 | Fair |
| County Road J.2 over Sanchez Canal | 1988 | 217 | 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.