Nfsr 250 over Alum Creek
Conejos County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfsr 250 over Alum Creek in Conejos County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2020, making it 5 years old at the 2025 inventory.
- It carries about 47 vehicles a day (traffic count year 2003).
- It is one of 23 of the 63 inventoried bridges in Conejos County rated good (36.5%); 8 (12.7%) are rated poor.
- 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 → (37.38494, -106.56637)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 53 ft |
| Location | 29.6 Mi on Fsr 250 |
| NBI structure number | 020903000017131 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Conejos County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 285 Ml over Alamosa Creek | 1959 | 5,200 | Fair |
| US 285 Ml over La Jara Creek | 1959 | 5,200 | Good |
| US 285 Ml over Conejos Riv.overflow | 1929 | 3,200 | Poor |
| US 285 Ml over Conejos River | 1929 | 3,200 | Fair |
| SH 15 Ml over La Jara Creek | 1938 | 1,300 | Fair |
| US 285 Ml over Rio San Antonio | 1938 | 1,200 | Fair |
All bridges nearby: Conejos County, CO bridge conditions · every bridge in Conejos County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.