US 36 Ml over North ST Vrain Creek
GoodBoulder County, Colorado · In Lyons · Structure no. D-15-BB
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 93 ft
- 1 main span
- Daily traffic
- 9,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 36 Ml over North ST Vrain Creek is a prestressed concrete box beam or girders - multiple carrying US 36 Ml over North ST Vrain Creek in Boulder County, Colorado. It was built in 2007, so it is 18 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 9,000 vehicles a day, roughly 3% of them trucks, projected to reach 11,700 by 2040. The structure is 93 ft (28.4 m) long and 92 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 36 Ml over North ST Vrain Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is US 36 Ml over North ST Vrain 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 August 2023.
How much traffic does US 36 Ml over North ST Vrain Creek carry?
About 9,000 vehicles per day (2020 count), of which roughly 3% are trucks.
How long is US 36 Ml over North ST Vrain Creek?
The structure is 93 ft (28.4 m) long with a longest span of 90 ft (27.5 m) and a deck 92 ft wide.
Who owns US 36 Ml over North ST Vrain Creek?
It is owned by the State Highway Agency.