US Bridges

County Road 55 over White Woman Creek

Fair

Cheyenne County, Colorado · .4 MI N of CR F · Structure no. CY55-0.4-FA

Built
1996
29 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
12
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 55 over White Woman Creek is a prestressed concrete tee beam carrying County Road 55 over White Woman Creek in Cheyenne County, Colorado. It was built in 1996, so it is 29 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 12 vehicles a day, projected to reach 15 by 2042. The structure is 50 ft (15.2 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty Road 55
CrossesWhite Woman Creek
Location.4 MI N of CR F
RouteCounty Highway 0
Coordinates38.69291, -102.16167
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79 US tons
Inventory rating46.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (2022)
Projected traffic15 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 County Road 55 over White Woman Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is County Road 55 over White Woman Creek 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 December 2023.

How much traffic does County Road 55 over White Woman Creek carry?

About 12 vehicles per day (2022 count).

How long is County Road 55 over White Woman Creek?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 34 ft wide.

Who owns County Road 55 over White Woman Creek?

It is owned by the County Highway Agency.