County Road 18C over Yampa River
GoodRoutt County, Colorado · 0.3 MI E of CO RD 18 · Structure no. 107018C00.30750
- Built
- 2001
- 24 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 61 ft
- 1 main span
- Daily traffic
- 257
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 18C over Yampa River is a prestressed concrete box beam or girders - multiple carrying County Road 18C over Yampa River in Routt County, Colorado. It was built in 2001, so it is 24 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 257 vehicles a day, roughly 58% of them trucks, projected to reach 306 by 2042. The structure is 61 ft (18.7 m) long and 26 ft wide. If it were closed, the detour would be 100 mi (161 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 | 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 County Road 18C over Yampa River built?
It was built in 2001, making it 24 years old in 2025.
What condition is County Road 18C over Yampa 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 October 2024.
How much traffic does County Road 18C over Yampa River carry?
About 257 vehicles per day (2023 count), of which roughly 58% are trucks.
How long is County Road 18C over Yampa River?
The structure is 61 ft (18.7 m) long with a longest span of 57 ft (17.5 m) and a deck 26 ft wide.
Who owns County Road 18C over Yampa River?
It is owned by the County Highway Agency.