US 287 Ml over Fossil Creek
FairLarimer County, Colorado · 7.3 MI N of JCT US 34 · Structure no. B-16-FP
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected September 2023
- Type
- Culvert
- Concrete
- Length
- 45 ft
- 3 main spans
- Daily traffic
- 31,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 287 Ml over Fossil Creek is a concrete culvert carrying US 287 Ml over Fossil Creek in Larimer County, Colorado. It was built in 1975, so it is 50 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 31,000 vehicles a day, roughly 2% of them trucks, projected to reach 36,890 by 2040. The structure is 45 ft (13.8 m) long and 116 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 287 Ml over Fossil Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is US 287 Ml over Fossil 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 September 2023.
How much traffic does US 287 Ml over Fossil Creek carry?
About 31,000 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is US 287 Ml over Fossil Creek?
The structure is 45 ft (13.8 m) long with a longest span of 16 ft (5 m) and a deck 116 ft wide.
Who owns US 287 Ml over Fossil Creek?
It is owned by the State Highway Agency.