County Road 4 over Big Hole Gulch
PoorMoffat County, Colorado · 19.6 MI West of ST HWY 13 · Structure no. MOF4-19.60
- Built
- 1950
- 75 years old, rebuilt 1988
- Condition
- Poor
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 28 ft
- 2 main spans
- Daily traffic
- 167
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 4 over Big Hole Gulch is a steel continuous stringer/multi-beam or girder carrying County Road 4 over Big Hole Gulch in Moffat County, Colorado. It was built in 1950 and reconstructed in 1988, so it is 75 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 167 vehicles a day, roughly 50% of them trucks, projected to reach 195 by 2042. The structure is 28 ft (8.5 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 4 over Big Hole Gulch built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1988.
What condition is County Road 4 over Big Hole Gulch in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.
How much traffic does County Road 4 over Big Hole Gulch carry?
About 167 vehicles per day (2023 count), of which roughly 50% are trucks.
How long is County Road 4 over Big Hole Gulch?
The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4.1 m) and a deck 24 ft wide.
Who owns County Road 4 over Big Hole Gulch?
It is owned by the County Highway Agency.