I-25 Ml Sbnd over St. Vrain River
GoodWeld County, Colorado · 1 Mile N of JCT 119 · Structure no. D-17-ER
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 316 ft
- 4 main spans
- Daily traffic
- 40,000
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I-25 Ml Sbnd over St. Vrain River is a prestressed concrete continuous stringer/multi-beam or girder carrying I-25 Ml Sbnd over St. Vrain River in Weld County, Colorado. It was built in 2008, so it is 17 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 40,000 vehicles a day, roughly 10% of them trucks, projected to reach 58,800 by 2040. The structure is 316 ft (96.3 m) long and 67 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 | 8 Very Good | No problems noted. |
| 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 I-25 Ml Sbnd over St. Vrain River built?
It was built in 2008, making it 17 years old in 2025.
What condition is I-25 Ml Sbnd 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 June 2023.
How much traffic does I-25 Ml Sbnd over St. Vrain River carry?
About 40,000 vehicles per day (2020 count), of which roughly 10% are trucks.
How long is I-25 Ml Sbnd over St. Vrain River?
The structure is 316 ft (96.3 m) long with a longest span of 87 ft (26.5 m) and a deck 67 ft wide.
Who owns I-25 Ml Sbnd over St. Vrain River?
It is owned by the State Highway Agency.