US Bridges

Old Golden Road over Lena Gulch

Good

Jefferson County, Colorado · East of Noble Road · Structure no. F-21-92A

Built
2014
11 years old
Condition
Good
inspected March 2025
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
17,591
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old Golden Road over Lena Gulch is a concrete culvert carrying Old Golden Road over Lena Gulch in Jefferson County, Colorado. It was built in 2014, so it is 11 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 17,591 vehicles a day, roughly 2% of them trucks, projected to reach 20,230 by 2041. The structure is 40 ft (12.2 m) long and 158 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Golden Road
CrossesLena Gulch
LocationEast of Noble Road
RouteCity Street 0
Coordinates39.73394, -105.17802
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2025
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span12 ft (3.8 m)
Deck width158 ft (48.1 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,591 (2021)
Projected traffic20,230 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Golden Road over Lena Gulch built?

It was built in 2014, making it 11 years old in 2025.

What condition is Old Golden 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 March 2025.

How much traffic does Old Golden Road over Lena Gulch carry?

About 17,591 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Old Golden Road over Lena Gulch?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.8 m) and a deck 158 ft wide.

Who owns Old Golden Road over Lena Gulch?

It is owned by the City or Municipal Highway Agency.