US Bridges

Wa Cnty RD L15 over Big Horn Canal

Fair

Washakie County, Wyoming · 2-3 Miles S.W of Worland · Structure no. IXJ

Built
1992
33 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
1 main span
Daily traffic
21
2024 count
Owner
County
County Highway Agency

About this bridge

Wa Cnty RD L15 over Big Horn Canal is a steel stringer/multi-beam or girder carrying Wa Cnty RD L15 over Big Horn Canal in Washakie County, Wyoming. It was built in 1992, so it is 33 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 21 vehicles a day, roughly 5% of them trucks, projected to reach 29 by 2043. The structure is 51 ft (15.5 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWa Cnty RD L15
CrossesBig Horn Canal
Location2-3 Miles S.W of Worland
RouteCounty Highway 0L15
StateWyoming
Coordinates43.96433, -108.00859
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span48 ft (14.6 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2024)
Projected traffic29 by 2043
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$33,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wa Cnty RD L15 over Big Horn Canal built?

It was built in 1992, making it 33 years old in 2025.

What condition is Wa Cnty RD L15 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 January 2024.

How much traffic does Wa Cnty RD L15 over Big Horn Canal carry?

About 21 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Wa Cnty RD L15 over Big Horn Canal?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 25 ft wide.

Who owns Wa Cnty RD L15 over Big Horn Canal?

It is owned by the County Highway Agency.