US Bridges

Wyo 432 over Upper Hanover Canal

Fair

Washakie County, Wyoming · Worland - Nieber · Structure no. CXB

Built
1958
67 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
65 ft
3 main spans
Daily traffic
234
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 432 over Upper Hanover Canal is a concrete continuous slab carrying Wyo 432 over Upper Hanover Canal in Washakie County, Wyoming. It was built in 1958, so it is 67 years old, older 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 234 vehicles a day, roughly 8% of them trucks, projected to reach 328 by 2043. The structure is 65 ft (19.8 m) long and 31 ft wide.

CarriesWyo 432
CrossesUpper Hanover Canal
LocationWorland - Nieber
RouteState Highway 432
StateWyoming
Coordinates43.93557, -107.99841
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 rating44 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length65 ft (19.8 m)
Longest span24 ft (7.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic234 (2024)
Projected traffic328 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 432 over Upper Hanover Canal built?

It was built in 1958, making it 67 years old in 2025.

What condition is Wyo 432 over Upper Hanover 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 Wyo 432 over Upper Hanover Canal carry?

About 234 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Wyo 432 over Upper Hanover Canal?

The structure is 65 ft (19.8 m) long with a longest span of 24 ft (7.3 m) and a deck 31 ft wide.

Who owns Wyo 432 over Upper Hanover Canal?

It is owned by the State Highway Agency.