US 287 Ml over Clay Creek
FairProwers County, Colorado · 12 Miles S. of Lamar · Structure no. M-26-C
- Built
- 1966
- 59 years old, rebuilt 2008
- Condition
- Fair
- inspected August 2024
- Type
- Slab
- Concrete Continuous
- Length
- 305 ft
- 5 main spans
- Daily traffic
- 3,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 287 Ml over Clay Creek is a concrete continuous slab carrying US 287 Ml over Clay Creek in Prowers County, Colorado. It was built in 1966 and reconstructed in 2008, so it is 59 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,000 vehicles a day, roughly 51% of them trucks, projected to reach 4,320 by 2040. The structure is 305 ft (93.1 m) long and 47 ft wide. If it were closed, the detour would be 11.2 mi (18 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 287 Ml over Clay Creek built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2008.
What condition is US 287 Ml over Clay Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does US 287 Ml over Clay Creek carry?
About 3,000 vehicles per day (2020 count), of which roughly 51% are trucks.
How long is US 287 Ml over Clay Creek?
The structure is 305 ft (93.1 m) long with a longest span of 64 ft (19.5 m) and a deck 47 ft wide.
Who owns US 287 Ml over Clay Creek?
It is owned by the State Highway Agency.