US 287 Ml over Coal Creek
GoodBoulder County, Colorado · In Boulder County · Structure no. E-16-PN
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 141 ft
- 2 main spans
- Daily traffic
- 32,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 287 Ml over Coal Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 287 Ml over Coal Creek in Boulder County, Colorado. It was built in 1996, so it is 29 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 32,000 vehicles a day, roughly 4% of them trucks, projected to reach 42,880 by 2040. The structure is 141 ft (43 m) long and 104 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
| 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 Coal Creek built?
It was built in 1996, making it 29 years old in 2025.
What condition is US 287 Ml over Coal Creek 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 January 2024.
How much traffic does US 287 Ml over Coal Creek carry?
About 32,000 vehicles per day (2020 count), of which roughly 4% are trucks.
How long is US 287 Ml over Coal Creek?
The structure is 141 ft (43 m) long with a longest span of 69 ft (21.1 m) and a deck 104 ft wide.
Who owns US 287 Ml over Coal Creek?
It is owned by the State Highway Agency.