US Bridges

Wyo 433 over Big Horn Canal

Good

Washakie County, Wyoming · Worland - Manderson · Structure no. NDV

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
1,387
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 433 over Big Horn Canal is a steel stringer/multi-beam or girder carrying Wyo 433 over Big Horn Canal 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 1,387 vehicles a day, roughly 11% of them trucks, projected to reach 1,942 by 2043. The structure is 60 ft (18.3 m) long and 35 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

Open in Google Maps
CarriesWyo 433
CrossesBig Horn Canal
LocationWorland - Manderson
RouteState Highway 433
CountyWashakie County
StateWyoming
Coordinates44.07702, -107.95917
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span55 ft (16.7 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,387 (2024)
Projected traffic1,942 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Wyo 433 over Big Horn Canal built?

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

What condition is Wyo 433 over Big Horn Canal 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 May 2023.

How much traffic does Wyo 433 over Big Horn Canal carry?

About 1,387 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Wyo 433 over Big Horn Canal?

The structure is 60 ft (18.3 m) long with a longest span of 55 ft (16.7 m) and a deck 35 ft wide.

Who owns Wyo 433 over Big Horn Canal?

It is owned by the State Highway Agency.