County RD 43 over N. Fork Big Thompson
GoodLarimer County, Colorado · 0.3 MI E of Horseshoe RD · Structure no. LR43-3.8-61
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected May 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 65 ft
- 1 main span
- Daily traffic
- 415
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County RD 43 over N. Fork Big Thompson is a prestressed concrete box beam or girders - multiple carrying County RD 43 over N. Fork Big Thompson in Larimer County, Colorado. It was built in 2016, so it is 9 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 415 vehicles a day, roughly 15% of them trucks, projected to reach 519 by 2042. The structure is 65 ft (19.9 m) long and 33 ft wide. If it were closed, the detour would be 24.9 mi (40 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 | 8 Very Good | No problems noted. |
| 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 RD 43 over N. Fork Big Thompson built?
It was built in 2016, making it 9 years old in 2025.
What condition is County RD 43 over N. Fork Big Thompson 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 May 2023.
How much traffic does County RD 43 over N. Fork Big Thompson carry?
About 415 vehicles per day (2023 count), of which roughly 15% are trucks.
How long is County RD 43 over N. Fork Big Thompson?
The structure is 65 ft (19.9 m) long with a longest span of 57 ft (17.5 m) and a deck 33 ft wide.
Who owns County RD 43 over N. Fork Big Thompson?
It is owned by the County Highway Agency.