SH 149 Ml over Rio Grande
Mineral County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SH 149 Ml over 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 deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1958, making it 67 years old at the 2025 inventory.
- It carries about 1,400 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 7 of the 26 inventoried bridges in Mineral County rated good (26.9%); 0 (0.0%) 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 September 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 → (37.77748, -106.83624)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 176 ft |
| Location | 7.0 Mi SE of Creede |
| NBI structure number | M-09-B |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 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 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 | 1959 | 1,400 | Fair |
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.