US 34 Ml over BNSF RR
Yuma County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 34 Ml over BNSF RR in Yuma County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1935, making it 90 years old at the 2025 inventory.
- It carries about 2,100 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 22 of the 47 inventoried bridges in Yuma County rated fair (46.8%); 2 (4.3%) 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 August 2023, 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 → (40.12949, -102.76163)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 141 ft |
| Location | 2 Mi W of Yuma |
| NBI structure number | D-25-A |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Colorado department of transportation.
Busiest bridges in Yuma County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 385 Ml over N Fk Republican River | 2008 | 3,600 | Fair |
| US 34 Ml over Republican River | 2021 | 3,600 | Good |
| US 34 Ml over Republican River | 2021 | 3,600 | Good |
| Blake Street over N. Fork Republican River | 1980 | 3,169 | Poor |
| US 34 Ml over N Fk Republican River | 2021 | 3,100 | Good |
| Jackson Street over N. Fork Republican River | 1996 | 1,702 | Fair |
All bridges nearby: Yuma County, CO bridge conditions · every bridge in Yuma County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.