128th Avenue over Big Dry Creek
FairAdams County, Colorado · 0.6 MI W of Huron St. · Structure no. WST20-06-B
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected December 2023
- Type
- Tee Beam
- Prestressed Concrete Continuous
- Length
- 121 ft
- 2 main spans
- Daily traffic
- 17,866
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
128th Avenue over Big Dry Creek is a prestressed concrete continuous tee beam carrying 128th Avenue over Big Dry Creek in Adams County, Colorado. It was built in 1978, so it is 47 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 17,866 vehicles a day, roughly 4% of them trucks, projected to reach 23,225 by 2041. The structure is 121 ft (37 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 128th Avenue over Big Dry Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is 128th Avenue over Big Dry 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 December 2023.
How much traffic does 128th Avenue over Big Dry Creek carry?
About 17,866 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is 128th Avenue over Big Dry Creek?
The structure is 121 ft (37 m) long with a longest span of 58 ft (17.7 m) and a deck 43 ft wide.
Who owns 128th Avenue over Big Dry Creek?
It is owned by the City or Municipal Highway Agency.