112th Avenue over Big Bull Creek
FairJefferson County, Colorado · 112th Ave at Harlan ST · Structure no. WST02-10-F
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected February 2025
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 3 main spans
- Daily traffic
- 11,867
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
112th Avenue over Big Bull Creek is a concrete culvert carrying 112th Avenue over Big Bull Creek in Jefferson County, Colorado. It was built in 1979, so it is 46 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 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 11,867 vehicles a day, roughly 6% of them trucks, projected to reach 13,647 by 2041. The structure is 23 ft (7 m) long and 114 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 112th Avenue over Big Bull Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is 112th Avenue over Big Bull 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 February 2025.
How much traffic does 112th Avenue over Big Bull Creek carry?
About 11,867 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is 112th Avenue over Big Bull Creek?
The structure is 23 ft (7 m) long with a longest span of 6 ft (1.8 m) and a deck 114 ft wide.
Who owns 112th Avenue over Big Bull Creek?
It is owned by the City or Municipal Highway Agency.