US Bridges

Cl Cnty RD 91 over Cottonwood Creek

Fair

Campbell County, Wyoming · T53N R070W 536 · Structure no. FJU

Built
1987
38 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
41
2024 count
Owner
County
County Highway Agency

About this bridge

Cl Cnty RD 91 over Cottonwood Creek is a prestressed concrete stringer/multi-beam or girder carrying Cl Cnty RD 91 over Cottonwood Creek in Campbell County, Wyoming. It was built in 1987, so it is 38 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 5 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 41 vehicles a day, roughly 46% of them trucks, projected to reach 57 by 2043. The structure is 86 ft (26.2 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCl Cnty RD 91
CrossesCottonwood Creek
LocationT53N R070W 536
RouteCounty Highway 91
StateWyoming
Coordinates44.53651, -105.22107
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating46 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span84 ft (25.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2024)
Projected traffic57 by 2043
Trucks46%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$17,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cl Cnty RD 91 over Cottonwood Creek built?

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

What condition is Cl Cnty RD 91 over Cottonwood 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 February 2024.

How much traffic does Cl Cnty RD 91 over Cottonwood Creek carry?

About 41 vehicles per day (2024 count), of which roughly 46% are trucks.

How long is Cl Cnty RD 91 over Cottonwood Creek?

The structure is 86 ft (26.2 m) long with a longest span of 84 ft (25.5 m) and a deck 31 ft wide.

Who owns Cl Cnty RD 91 over Cottonwood Creek?

It is owned by the County Highway Agency.