I 25 Ml Nbnd over Big Thompson River
GoodLarimer County, Colorado · 1.3 MI N of JCT SH 402 · Structure no. C-17-BMA
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 283 ft
- 3 main spans
- Daily traffic
- 34,000
- 2011 count
- Owner
- State
- State Highway Agency
About this bridge
I 25 Ml Nbnd over Big Thompson River is a prestressed concrete continuous box beam or girders - single or spread carrying I 25 Ml Nbnd over Big Thompson River in Larimer County, Colorado. It was built in 2021, so it is 4 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 34,000 vehicles a day, roughly 11% of them trucks, projected to reach 51,000 by 2031. The structure is 283 ft (86.3 m) long and 79 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 | 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 I 25 Ml Nbnd over Big Thompson River built?
It was built in 2021, making it 4 years old in 2025.
What condition is I 25 Ml Nbnd over Big Thompson 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 Nbnd over Big Thompson River carry?
About 34,000 vehicles per day (2011 count), of which roughly 11% are trucks.
How long is I 25 Ml Nbnd over Big Thompson River?
The structure is 283 ft (86.3 m) long with a longest span of 93 ft (28.3 m) and a deck 79 ft wide.
Who owns I 25 Ml Nbnd over Big Thompson River?
It is owned by the State Highway Agency.