E-470 NB over Colfax Avenue
GoodArapahoe County, Colorado · 20.32 MI from I25 · Structure no. E-470-20.32A
- Built
- 2006
- 19 years old, rebuilt 2020
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 180 ft
- 2 main spans
- Daily traffic
- 18,465
- 2018 count
- Owner
- Toll Authority
- Local Toll Authority
About this bridge
E-470 NB over Colfax Avenue is a prestressed concrete continuous stringer/multi-beam or girder carrying E-470 NB over Colfax Avenue in Arapahoe County, Colorado. It was built in 2006 and reconstructed in 2020, so it is 19 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 18,465 vehicles a day, roughly 10% of them trucks, projected to reach 32,867 by 2038. The structure is 180 ft (54.9 m) long and 63 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was E-470 NB over Colfax Avenue built?
It was built in 2006, making it 19 years old in 2025. It was reconstructed in 2020.
What condition is E-470 NB over Colfax Avenue 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 E-470 NB over Colfax Avenue carry?
About 18,465 vehicles per day (2018 count), of which roughly 10% are trucks.
How long is E-470 NB over Colfax Avenue?
The structure is 180 ft (54.9 m) long with a longest span of 89 ft (27.1 m) and a deck 63 ft wide.
Who owns E-470 NB over Colfax Avenue?
It is owned by the Local Toll Authority.