Lower Colfax Ave over South Platte River
GoodDenver County, Colorado · Just West of Zuni Street · Structure no. D-02-PR-120A
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 159 ft
- 3 main spans
- Daily traffic
- 2,828
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Lower Colfax Ave over South Platte River is a prestressed concrete continuous box beam or girders - single or spread carrying Lower Colfax Ave over South Platte River in Denver County, Colorado. It was built in 2002, so it is 23 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 2,828 vehicles a day, roughly 4% of them trucks, projected to reach 3,139 by 2041. The structure is 159 ft (48.6 m) long and 75 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 | 8 Very Good | No problems noted. |
| 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 Lower Colfax Ave over South Platte River built?
It was built in 2002, making it 23 years old in 2025.
What condition is Lower Colfax Ave over South Platte River 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 October 2024.
How much traffic does Lower Colfax Ave over South Platte River carry?
About 2,828 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is Lower Colfax Ave over South Platte River?
The structure is 159 ft (48.6 m) long with a longest span of 57 ft (17.4 m) and a deck 75 ft wide.
Who owns Lower Colfax Ave over South Platte River?
It is owned by the City or Municipal Highway Agency.