US Bridges

Ramp/Denver W Blvd over Lena Gulch R

Fair

Jefferson County, Colorado · 0.8 MI E of JCT US 40 · Structure no. F-16-OF

Built
1986
39 years old
Condition
Fair
inspected March 2022
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
87,000
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp/Denver W Blvd over Lena Gulch R is a concrete culvert carrying Ramp/Denver W Blvd over Lena Gulch R in Jefferson County, Colorado. It was built in 1986, so it is 39 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 87,000 vehicles a day, roughly 8% of them trucks, projected to reach 106,140 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRamp/Denver W Blvd
CrossesLena Gulch R
Location0.8 MI E of JCT US 40
RouteInterstate 70A
CountyJefferson County
StateColorado
Coordinates39.73892, -105.1594
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.4 US tons
Inventory rating38.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,000 (2020)
Projected traffic106,140 by 2040
Trucks8%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ramp/Denver W Blvd over Lena Gulch R built?

It was built in 1986, making it 39 years old in 2025.

What condition is Ramp/Denver W Blvd over Lena Gulch R in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2022.

How much traffic does Ramp/Denver W Blvd over Lena Gulch R carry?

About 87,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Ramp/Denver W Blvd over Lena Gulch R?

The structure is 25 ft (7.6 m) long with a longest span of 13 ft (4 m).

Who owns Ramp/Denver W Blvd over Lena Gulch R?

It is owned by the State Highway Agency.