US 287 Ml over First Street
GoodLarimer County, Colorado · Near Berthoud · Structure no. C-16-CK
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 120 ft
- 1 main span
- Daily traffic
- 18,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 287 Ml over First Street is a prestressed concrete continuous box beam or girders - multiple carrying US 287 Ml over First Street in Larimer County, Colorado. It was built in 2005, so it is 20 years old, younger than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 18,000 vehicles a day, roughly 3% of them trucks, projected to reach 27,000 by 2040. The structure is 120 ft (36.5 m) long and 87 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 287 Ml over First Street built?
It was built in 2005, making it 20 years old in 2025.
What condition is US 287 Ml over First Street in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.
How much traffic does US 287 Ml over First Street carry?
About 18,000 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is US 287 Ml over First Street?
The structure is 120 ft (36.5 m) long with a longest span of 117 ft (35.7 m) and a deck 87 ft wide.
Who owns US 287 Ml over First Street?
It is owned by the State Highway Agency.