US 36 Ml over Coal Creek
GoodBoulder County, Colorado · Just E of Superior Int. · Structure no. E-16-ZG
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Concrete
- Length
- 56 ft
- 3 main spans
- Daily traffic
- 66,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 36 Ml over Coal Creek is a concrete culvert carrying US 36 Ml over Coal Creek in Boulder County, Colorado. It was built in 2015, so it is 10 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 66,000 vehicles a day, roughly 2% of them trucks, projected to reach 75,240 by 2040. The structure is 56 ft (17.1 m) long and 213 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 36 Ml over Coal Creek built?
It was built in 2015, making it 10 years old in 2025.
What condition is US 36 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 July 2023.
How much traffic does US 36 Ml over Coal Creek carry?
About 66,000 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is US 36 Ml over Coal Creek?
The structure is 56 ft (17.1 m) long with a longest span of 20 ft (6.1 m) and a deck 213 ft wide.
Who owns US 36 Ml over Coal Creek?
It is owned by the State Highway Agency.