US Bridges

Wilcox Street over Sellars Gulch

Fair

Douglas County, Colorado · S of 2nd ST Intersection · Structure no. CAS WILCOX-0.6

Built
1987
38 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
9,964
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Wilcox Street over Sellars Gulch is a prestressed concrete stringer/multi-beam or girder carrying Wilcox Street over Sellars Gulch in Douglas County, Colorado. It was built in 1987, so it is 38 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 9,964 vehicles a day, roughly 9% of them trucks, projected to reach 13,352 by 2041. The structure is 100 ft (30.5 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWilcox Street
CrossesSellars Gulch
LocationS of 2nd ST Intersection
RouteCity Street 0
Coordinates39.3708, -104.85991
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
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 alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span95 ft (29 m)
Deck width70 ft (21.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,964 (2021)
Projected traffic13,352 by 2041
Trucks9%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Wilcox Street over Sellars Gulch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Wilcox Street over Sellars 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 Wilcox Street over Sellars Gulch carry?

About 9,964 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Wilcox Street over Sellars Gulch?

The structure is 100 ft (30.5 m) long with a longest span of 95 ft (29 m) and a deck 70 ft wide.

Who owns Wilcox Street over Sellars Gulch?

It is owned by the Town or Township Highway Agency.