Co Rd 10 over Gunnison River
Gunnison County, Colorado · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Co Rd 10 over Gunnison River in Gunnison County, Colorado, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1973, making it 52 years old at the 2025 inventory.
- It carries about 211 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 5 of the 101 inventoried bridges in Gunnison County rated poor (5.0%); 5 (5.0%) are rated poor.
- Its traffic status in the 2025 inventory is open, posting recommended but not legally implemented (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: substructure 7 to 5.
- Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (38.61039, -106.88578)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 7 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 147 ft |
| Location | 5.5 Mi NE of Gunnison |
| NBI structure number | GUN010-01.20 |
| Condition class | Poor |
| Traffic status (item 41) | Open, posting recommended but not legally implemented |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Gunnison County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SH 135 Ml over Gunnison River | 1950 | 7,400 | Fair |
| SH 135 Ml over Slate River | 1995 | 7,200 | Fair |
| SH 135 Ml over Slate River | 1995 | 7,200 | Fair |
| US 50 Ml over Gunnison River | 1957 | 6,200 | Fair |
| US 50 Ml over Gunnison River | 1957 | 6,200 | Fair |
| Co Rd 317 over Slate River | 1983 | 5,823 | Fair |
All bridges nearby: Gunnison County, CO bridge conditions · every bridge in Gunnison County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.