108th Avenue over Grange Hall Creek
FairAdams County, Colorado · 750 Ft E of Colorado Blvd · Structure no. THN-108CLD-GHC
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected January 2024
- Type
- Culvert
- Concrete
- Length
- 44 ft
- 3 main spans
- Daily traffic
- 2,849
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
108th Avenue over Grange Hall Creek is a concrete culvert carrying 108th Avenue over Grange Hall Creek in Adams County, Colorado. It was built in 1975, so it is 50 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 2,849 vehicles a day, roughly 2% of them trucks, projected to reach 3,704 by 2041. The structure is 44 ft (13.3 m) long and 48 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 | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 108th Avenue over Grange Hall Creek built?
It was built in 1975, making it 50 years old in 2025.
What condition is 108th Avenue over Grange Hall 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 January 2024.
How much traffic does 108th Avenue over Grange Hall Creek carry?
About 2,849 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is 108th Avenue over Grange Hall Creek?
The structure is 44 ft (13.3 m) long with a longest span of 16 ft (4.9 m) and a deck 48 ft wide.
Who owns 108th Avenue over Grange Hall Creek?
It is owned by the City or Municipal Highway Agency.