Research Road over Lena Gulch
GoodJefferson County, Colorado · 0.1 MI N of S Golden RD · Structure no. F-21-100
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 110 ft
- 1 main span
- Daily traffic
- 2,445
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Research Road over Lena Gulch is a prestressed concrete stringer/multi-beam or girder carrying Research Road over Lena Gulch in Jefferson County, Colorado. It was built in 2012, so it is 13 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 2,445 vehicles a day, roughly 2% of them trucks, projected to reach 2,812 by 2041. The structure is 110 ft (33.6 m) long and 58 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Research Road over Lena Gulch built?
It was built in 2012, making it 13 years old in 2025.
What condition is Research Road over Lena Gulch 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 April 2023.
How much traffic does Research Road over Lena Gulch carry?
About 2,445 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is Research Road over Lena Gulch?
The structure is 110 ft (33.6 m) long with a longest span of 101 ft (30.9 m) and a deck 58 ft wide.
Who owns Research Road over Lena Gulch?
It is owned by the County Highway Agency.