County Road 77 over Willow Creek
GoodWeld County, Colorado · 1.0 MI N of CO RD 100 · Structure no. WEL077.0-102.0A
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 115 ft
- 1 main span
- Daily traffic
- 218
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 77 over Willow Creek is a prestressed concrete stringer/multi-beam or girder carrying County Road 77 over Willow Creek in Weld 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 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 218 vehicles a day, roughly 50% of them trucks, projected to reach 310 by 2041. The structure is 115 ft (35 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 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 Road 77 over Willow Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is County Road 77 over Willow Creek 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 2024.
How much traffic does County Road 77 over Willow Creek carry?
About 218 vehicles per day (2021 count), of which roughly 50% are trucks.
How long is County Road 77 over Willow Creek?
The structure is 115 ft (35 m) long with a longest span of 111 ft (33.8 m) and a deck 34 ft wide.
Who owns County Road 77 over Willow Creek?
It is owned by the County Highway Agency.