County Road 28 over Conejos River Diversion
Conejos County, Colorado · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 28 over Conejos River Diversion in Conejos County, Colorado, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2024, making it 1 years old at the 2025 inventory.
- It carries about 60 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 23 of the 63 inventoried bridges in Conejos County rated good (36.5%); 8 (12.7%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: deck 9 to 8, superstructure 9 to 8.
- Status change: newly posted for load since 2024.
- Its most recent inspection on record is dated March 2025, 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 → (37.29293, -105.74737)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 8 | Very good condition |
| Superstructure | 9 | 8 | Very good condition |
| Substructure | 9 | 9 | Excellent condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 89 ft |
| Location | .6 Mi N of CR X |
| NBI structure number | CON15.0E-14.6NA |
| Condition class | Good |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | March 2025 |
| 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 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.