Fdr 410 over South Fork Rio Grande
Mineral County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Fdr 410 over South Fork Rio Grande in Mineral County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1984 and reconstructed in 1992, making it 41 years old at the 2025 inventory.
- It carries about 282 vehicles a day (traffic count year 2002).
- It is one of 7 of the 26 inventoried bridges in Mineral County rated good (26.9%); 0 (0.0%) 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 → (37.55177, -106.77993)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete single box beam |
| Length | about 80 ft |
| Location | 11.2 Mi SW of South Fork |
| NBI structure number | 020901000001037 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Mineral County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 160 Ml over S Fk Rio Grande River | 1977 | 2,900 | Fair |
| US 160 Ml over Pass Creek | 1987 | 2,900 | Fair |
| US160 Ml over Lake Fork | 2010 | 2,900 | Good |
| US 160 Ml over Hillside | 1981 | 2,900 | Fair |
| SH 149 Ml over Willow Creek | 1930 | 1,800 | Fair |
| SH 149 Ml over Rio Grande | 1958 | 1,400 | Good |
All bridges nearby: Mineral County, CO bridge conditions · every bridge in Mineral County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.