Nfsr 585 over Mineral Creek
San Juan County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfsr 585 over Mineral Creek in San Juan County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2012, making it 13 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2012).
- It is one of 4 of the 12 inventoried bridges in San Juan County rated good (33.3%); 1 (8.3%) 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 July 2023, on a 24-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 → (37.8204, -107.71955)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 73 ft |
| Location | 2.8 Mi NW of Silverton |
| NBI structure number | 021308000017066 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in San Juan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 550 Ml over Mineral Creek | 2011 | 1,900 | Good |
| US 550 Ml over Cascade Creek | 1949 | 1,900 | Fair |
| County Road 2 over Cunningham Creek | 1989 | 997 | Fair |
| County Road 2 over Animas River | 1988 | 920 | Fair |
| Greene Street over Cement Creek | 1929 | 647 | Poor |
| 14TH Street over Cement Creek | 1993 | 647 | Fair |
All bridges nearby: San Juan County, CO bridge conditions · every bridge in San Juan County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.