US Bridges

West River Lane over Big Horn Canal

Fair

Washakie County, Wyoming · 6 Miles N. of Worland · Structure no. KBO

Built
1995
30 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
36
2024 count
Owner
County
County Highway Agency

About this bridge

West River Lane over Big Horn Canal is a steel stringer/multi-beam or girder carrying West River Lane over Big Horn Canal in Washakie County, Wyoming. It was built in 1995, so it is 30 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 36 vehicles a day, roughly 42% of them trucks, projected to reach 50 by 2043. The structure is 52 ft (15.8 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWest River Lane
CrossesBig Horn Canal
Location6 Miles N. of Worland
RouteCounty Highway 35
StateWyoming
Coordinates44.09773, -107.95402
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
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 inspectionFebruary 2025
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating92 US tons
Inventory rating55 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span48 ft (14.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2024)
Projected traffic50 by 2043
Trucks42%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$12,000
NavigationNo navigation control on waterway

Frequently asked questions

When was West River Lane over Big Horn Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is West River Lane over Big Horn Canal 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 West River Lane over Big Horn Canal carry?

About 36 vehicles per day (2024 count), of which roughly 42% are trucks.

How long is West River Lane over Big Horn Canal?

The structure is 52 ft (15.8 m) long with a longest span of 48 ft (14.6 m) and a deck 28 ft wide.

Who owns West River Lane over Big Horn Canal?

It is owned by the County Highway Agency.