County Road 15 over Little Thompson River
GoodLarimer County, Colorado · 0.9 MI N of CO RD 4 · Structure no. LR15-0.9-4-A
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected April 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 145 ft
- 2 main spans
- Daily traffic
- 1,452
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 15 over Little Thompson River is a prestressed concrete continuous box beam or girders - single or spread carrying County Road 15 over Little Thompson River in Larimer County, Colorado. It was built in 2018, so it is 7 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 1,452 vehicles a day, roughly 16% of them trucks, projected to reach 1,815 by 2042. The structure is 145 ft (44.2 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 15 over Little Thompson River built?
It was built in 2018, making it 7 years old in 2025.
What condition is County Road 15 over Little 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 April 2023.
How much traffic does County Road 15 over Little Thompson River carry?
About 1,452 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is County Road 15 over Little Thompson River?
The structure is 145 ft (44.2 m) long with a longest span of 79 ft (24.1 m) and a deck 41 ft wide.
Who owns County Road 15 over Little Thompson River?
It is owned by the County Highway Agency.