US 50 Ml over Wiley Drainage Ditch
Prowers County, Colorado · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 50 Ml over Wiley Drainage Ditch in Prowers County, Colorado, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1981, making it 44 years old at the 2025 inventory.
- It carries about 7,800 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 96 of the 138 inventoried bridges in Prowers County rated fair (69.6%); 18 (13.0%) 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 February 2022, on a 48-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 → (38.10973, -102.70002)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 116 ft |
| Location | 1.4 Mi E of Jct SH 287 |
| NBI structure number | L-26-BT |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2022 |
| Inspection interval (item 91) | 48 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 Prowers County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 50 Ml over Lamar Canal | 1931 | 13,000 | Fair |
| US 287 Ml over Fort Bent Canal | 1947 | 9,200 | Fair |
| US 50 Ml over Vista Del Rio Canal | 1979 | 7,800 | Fair |
| US 50 Ml over Amity Canal | 1982 | 7,800 | Fair |
| US 50 Ml Wbnd over Arkansas River | 1989 | 4,700 | Fair |
| US 50 Ebnd over Arkansas River | 1967 | 4,700 | Fair |
All bridges nearby: Prowers County, CO bridge conditions · every bridge in Prowers County · Colorado bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.