56th Avenue over E-470
GoodAdams County, Colorado · 24.44 MI from I25 · Structure no. E-470-24.44C
- Built
- 1996
- 29 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 233 ft
- 2 main spans
- Daily traffic
- 10,300
- 2014 count
- Owner
- Private
- Private (other than railroad)
About this bridge
56th Avenue over E-470 is a prestressed concrete continuous stringer/multi-beam or girder carrying 56th Avenue over E-470 in Adams County, Colorado. It was built in 1996, so it is 29 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 10,300 vehicles a day, roughly 6% of them trucks, projected to reach 510 by 2034. The structure is 233 ft (70.9 m) long and 105 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 56th Avenue over E-470 built?
It was built in 1996, making it 29 years old in 2025.
What condition is 56th Avenue over E-470 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 July 2024.
How much traffic does 56th Avenue over E-470 carry?
About 10,300 vehicles per day (2014 count), of which roughly 6% are trucks.
How long is 56th Avenue over E-470?
The structure is 233 ft (70.9 m) long with a longest span of 112 ft (34.1 m) and a deck 105 ft wide.
Who owns 56th Avenue over E-470?
It is owned by the Private (other than railroad) and maintained by the Local Toll Authority.