US Bridges

We Cnty RD 7A over Cheyenne River

Fair

Weston County, Wyoming · 16 Miles S.W. of Clareton · Structure no. FAZ

Built
1981
44 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
196 ft
3 main spans
Daily traffic
32
2024 count
Owner
County
County Highway Agency

About this bridge

We Cnty RD 7A over Cheyenne River is a steel continuous stringer/multi-beam or girder carrying We Cnty RD 7A over Cheyenne River in Weston County, Wyoming. It was built in 1981, so it is 44 years old, younger than the Wyoming average of 48.4 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 32 vehicles a day, roughly 25% of them trucks, projected to reach 45 by 2043. The structure is 196 ft (59.7 m) long and 29 ft wide.

Location

Open in Google Maps
CarriesWe Cnty RD 7A
CrossesCheyenne River
Location16 Miles S.W. of Clareton
RouteCounty Highway 7A
CountyWeston County
StateWyoming
Coordinates43.50511, -104.90899
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length196 ft (59.7 m)
Longest span76 ft (23.2 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32 (2024)
Projected traffic45 by 2043
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$7,000
NavigationNo navigation control on waterway

Frequently asked questions

When was We Cnty RD 7A over Cheyenne River built?

It was built in 1981, making it 44 years old in 2025.

What condition is We Cnty RD 7A over Cheyenne River 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 October 2023.

How much traffic does We Cnty RD 7A over Cheyenne River carry?

About 32 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is We Cnty RD 7A over Cheyenne River?

The structure is 196 ft (59.7 m) long with a longest span of 76 ft (23.2 m) and a deck 29 ft wide.

Who owns We Cnty RD 7A over Cheyenne River?

It is owned by the County Highway Agency.