US 285 Nbnd over S. Pierce Street
GoodJefferson County, Colorado · US HWY 285 over S Pierce · Structure no. F-16-WK
- Built
- 2010
- 15 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 77 ft
- 1 main span
- Daily traffic
- 27,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US 285 Nbnd over S. Pierce Street is a prestressed concrete stringer/multi-beam or girder carrying US 285 Nbnd over S. Pierce Street in Jefferson County, Colorado. It was built in 2010, so it is 15 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 27,500 vehicles a day, roughly 2% of them trucks, projected to reach 31,350 by 2040. The structure is 77 ft (23.5 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 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 US 285 Nbnd over S. Pierce Street built?
It was built in 2010, making it 15 years old in 2025.
What condition is US 285 Nbnd over S. Pierce Street 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 May 2024.
How much traffic does US 285 Nbnd over S. Pierce Street carry?
About 27,500 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is US 285 Nbnd over S. Pierce Street?
The structure is 77 ft (23.5 m) long with a longest span of 74 ft (22.6 m) and a deck 63 ft wide.
Who owns US 285 Nbnd over S. Pierce Street?
It is owned by the State Highway Agency.