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Wyo 433 over Big Horn Canal

Washakie County, Wyoming · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Wyo 433 over Big Horn Canal in Washakie County, Wyoming, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2023, making it 2 years old at the 2025 inventory.
It carries about 1,387 vehicles a day (traffic count year 2024).
Its listed owner is the state highway agency.
It is one of 22 of the 60 inventoried bridges in Washakie County rated good (36.7%); 6 (10.0%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 55 ft
Location	Worland - Manderson
NBI structure number	NDX
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Wyoming department of transportation.

Bridge	Built	Vehicles/day	Condition
US 16 over Lower Hanover Canal	1951	9,910	Fair
US 20 over Big Horn River	1975	4,411	Fair
US 16 over Slick Creek	2012	3,298	Fair
Wyo 433 over Big Horn Canal	2006	2,866	Fair
US 20 over Big Horn Canal	2006	2,768	Good
US 20 over Fifteen Mile Creek	2006	2,768	Fair