SH 66 Ml over ST Vrain River
GoodWeld County, Colorado · 3.8 MI E of JCT I 25 · Structure no. D-17-FK
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 265 ft
- 2 main spans
- Daily traffic
- 12,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
SH 66 Ml over ST Vrain River is a prestressed concrete continuous stringer/multi-beam or girder carrying SH 66 Ml over ST Vrain River in Weld County, Colorado. It was built in 2013, so it is 12 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 12,000 vehicles a day, roughly 9% of them trucks, projected to reach 17,640 by 2040. The structure is 265 ft (80.9 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SH 66 Ml over ST Vrain River built?
It was built in 2013, making it 12 years old in 2025.
What condition is SH 66 Ml over ST Vrain River 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 December 2023.
How much traffic does SH 66 Ml over ST Vrain River carry?
About 12,000 vehicles per day (2020 count), of which roughly 9% are trucks.
How long is SH 66 Ml over ST Vrain River?
The structure is 265 ft (80.9 m) long with a longest span of 132 ft (40.1 m) and a deck 47 ft wide.
Who owns SH 66 Ml over ST Vrain River?
It is owned by the State Highway Agency.