56th Avenue over Ralston Creek | Ralston
GoodJefferson County, Colorado · 0.01 MI SW of Ralston RD · Structure no. ARVA-56-0.01-01
- Built
- 2000
- 25 years old
- Condition
- Good
- inspected March 2023
- Type
- Slab
- Concrete Continuous
- Length
- 145 ft
- 3 main spans
- Daily traffic
- 4,301
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
56th Avenue over Ralston Creek | Ralston is a concrete continuous slab carrying 56th Avenue over Ralston Creek | Ralston in Jefferson County, Colorado. It was built in 2000, so it is 25 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 4,301 vehicles a day, roughly 9% of them trucks, projected to reach 4,946 by 2041. The structure is 145 ft (44.2 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| 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 56th Avenue over Ralston Creek | Ralston built?
It was built in 2000, making it 25 years old in 2025.
What condition is 56th Avenue over Ralston Creek | Ralston 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 March 2023.
How much traffic does 56th Avenue over Ralston Creek | Ralston carry?
About 4,301 vehicles per day (2021 count), of which roughly 9% are trucks.
How long is 56th Avenue over Ralston Creek | Ralston?
The structure is 145 ft (44.2 m) long with a longest span of 55 ft (16.7 m) and a deck 65 ft wide.
Who owns 56th Avenue over Ralston Creek | Ralston?
It is owned by the City or Municipal Highway Agency.