County Road 37 over Williams Fork River
FairMoffat County, Colorado · S of CO RD 317 near MP 6 · Structure no. MOF37-00.31
- Built
- 1939
- 86 years old, rebuilt 1978
- Condition
- Fair
- inspected October 2023
- Type
- Girder and Floorbeam System
- Steel
- Length
- 85 ft
- 1 main span
- Daily traffic
- 28
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 37 over Williams Fork River is a steel girder and floorbeam system carrying County Road 37 over Williams Fork River in Moffat County, Colorado. It was built in 1939 and reconstructed in 1978, so it is 86 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 28 vehicles a day, roughly 33% of them trucks, projected to reach 33 by 2042. The structure is 85 ft (25.8 m) long and 31 ft wide. If it were closed, the detour would be 100 mi (161 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 37 over Williams Fork River built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1978.
What condition is County Road 37 over Williams Fork River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.
How much traffic does County Road 37 over Williams Fork River carry?
About 28 vehicles per day (2023 count), of which roughly 33% are trucks.
How long is County Road 37 over Williams Fork River?
The structure is 85 ft (25.8 m) long with a longest span of 76 ft (23.2 m) and a deck 31 ft wide.
Who owns County Road 37 over Williams Fork River?
It is owned by the County Highway Agency.