County Road 34.5 over Arkansas River
Bent County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 34.5 over Arkansas River in Bent County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1994, making it 31 years old at the 2025 inventory.
- It carries about 173 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 51 of the 69 inventoried bridges in Bent County rated fair (73.9%); 2 (2.9%) 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 January 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.09333, -102.7683)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 374 ft |
| Location | .7 Mi S of CR Jj |
| NBI structure number | BT34-345-31-46A |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| 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 Bent County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 50 Ml over Las Animas Canal | 1958 | 3,400 | Fair |
| US 50 Ml over BNSF RR | 1989 | 3,400 | Fair |
| US 50 Ml over Draw | 1983 | 2,600 | Good |
| US 50 Ml over Draw | 2022 | 2,600 | Good |
| US 50 Ml over Mccrae Arroyo | 1937 | 2,600 | Fair |
| US 50 Ml over Gageby Creek | 1937 | 2,600 | Fair |
All bridges nearby: Bent County, CO bridge conditions · every bridge in Bent County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.