US Bridges

Wa Cnty RD 86 over Cottonwood Creek

Good

Washakie County, Wyoming · Winchester S of Worland · Structure no. NEJ

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
3 main spans
Daily traffic
42
2024 count
Owner
County
County Highway Agency

About this bridge

Wa Cnty RD 86 over Cottonwood Creek is a steel continuous stringer/multi-beam or girder carrying Wa Cnty RD 86 over Cottonwood Creek in Washakie County, Wyoming. It was built in 2023, so it is 2 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 42 vehicles a day, roughly 10% of them trucks, projected to reach 59 by 2043. The structure is 170 ft (51.8 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWa Cnty RD 86
CrossesCottonwood Creek
LocationWinchester S of Worland
RouteCounty Highway 86
StateWyoming
Coordinates43.86281, -108.15324
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.1 US tons
Inventory rating63.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length170 ft (51.8 m)
Longest span76 ft (23.2 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic42 (2024)
Projected traffic59 by 2043
Trucks10%
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 Wa Cnty RD 86 over Cottonwood Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Wa Cnty RD 86 over Cottonwood Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Wa Cnty RD 86 over Cottonwood Creek carry?

About 42 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Wa Cnty RD 86 over Cottonwood Creek?

The structure is 170 ft (51.8 m) long with a longest span of 76 ft (23.2 m) and a deck 25 ft wide.

Who owns Wa Cnty RD 86 over Cottonwood Creek?

It is owned by the County Highway Agency.