County Road 21 over Vega Creek
FairWashington County, Colorado · 0.6 M. E. of Co. Rd. M · Structure no. WTN21-M.60-A
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 102 ft
- 2 main spans
- Daily traffic
- 27
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 21 over Vega Creek is a steel continuous stringer/multi-beam or girder carrying County Road 21 over Vega Creek in Washington County, Colorado. It was built in 1990, so it is 35 years old, younger 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 6 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 27 vehicles a day, roughly 59% of them trucks, projected to reach 33 by 2042. The structure is 102 ft (31.1 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 7 Good | Some minor problems. |
| 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 21 over Vega Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is County Road 21 over Vega Creek 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 21 over Vega Creek carry?
About 27 vehicles per day (2023 count), of which roughly 59% are trucks.
How long is County Road 21 over Vega Creek?
The structure is 102 ft (31.1 m) long with a longest span of 49 ft (14.8 m) and a deck 32 ft wide.
Who owns County Road 21 over Vega Creek?
It is owned by the County Highway Agency.