US Bridges

W Deer Creek Canyo over Dockman Gulch

Fair

Jefferson County, Colorado · 3.2 MI W of SH 75 · Structure no. G-15-98

Built
1975
50 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
3,081
2021 count
Owner
County
County Highway Agency

About this bridge

W Deer Creek Canyo over Dockman Gulch is a concrete culvert carrying W Deer Creek Canyo over Dockman Gulch in Jefferson County, Colorado. It was built in 1975, so it is 50 years old, older 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 3,081 vehicles a day, roughly 9% of them trucks, projected to reach 3,543 by 2041. The structure is 34 ft (10.3 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW Deer Creek Canyo
CrossesDockman Gulch
Location3.2 MI W of SH 75
RouteCounty Highway 0
Coordinates39.55133, -105.14061
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length34 ft (10.3 m)
Longest span16 ft (5 m)
Deck width68 ft (20.8 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,081 (2021)
Projected traffic3,543 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 W Deer Creek Canyo over Dockman Gulch built?

It was built in 1975, making it 50 years old in 2025.

What condition is W Deer Creek Canyo over Dockman Gulch 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 February 2025.

How much traffic does W Deer Creek Canyo over Dockman Gulch carry?

About 3,081 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is W Deer Creek Canyo over Dockman Gulch?

The structure is 34 ft (10.3 m) long with a longest span of 16 ft (5 m) and a deck 68 ft wide.

Who owns W Deer Creek Canyo over Dockman Gulch?

It is owned by the County Highway Agency.