US 287 Ml over Larimer-Weld Canal
FairLarimer County, Colorado · 0.2 MI S of SH1 · Structure no. B-16-W
- Built
- 1949
- 76 years old, rebuilt 1955
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 51 ft
- 1 main span
- Daily traffic
- 24,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 287 Ml over Larimer-Weld Canal is a steel stringer/multi-beam or girder carrying US 287 Ml over Larimer-Weld Canal in Larimer County, Colorado. It was built in 1949 and reconstructed in 1955, so it is 76 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 24,000 vehicles a day, roughly 6% of them trucks, projected to reach 26,880 by 2040. The structure is 51 ft (15.5 m) long and 78 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 287 Ml over Larimer-Weld Canal built?
It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1955.
What condition is US 287 Ml over Larimer-Weld Canal 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 December 2023.
How much traffic does US 287 Ml over Larimer-Weld Canal carry?
About 24,000 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is US 287 Ml over Larimer-Weld Canal?
The structure is 51 ft (15.5 m) long with a longest span of 45 ft (13.7 m) and a deck 78 ft wide.
Who owns US 287 Ml over Larimer-Weld Canal?
It is owned by the State Highway Agency.