US Bridges

Wyo 24 over Belle Fourche River

Fair

Crook County, Wyoming · Hulett · Structure no. CNX

Built
1973
52 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
178 ft
3 main spans
Daily traffic
1,760
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 24 over Belle Fourche River is a steel continuous stringer/multi-beam or girder carrying Wyo 24 over Belle Fourche River in Crook County, Wyoming. It was built in 1973, so it is 52 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 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 1,760 vehicles a day, roughly 7% of them trucks, projected to reach 2,464 by 2043. The structure is 178 ft (54.3 m) long and 40 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

Location

Open in Google Maps
CarriesWyo 24
CrossesBelle Fourche River
LocationHulett
RouteState Highway 24
CountyCrook County
StateWyoming
Coordinates44.68153, -104.60197
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 rating59 US tons
Inventory rating35.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span69 ft (21 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,760 (2024)
Projected traffic2,464 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed32.9 mi (53 km)
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 24 over Belle Fourche River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Wyo 24 over Belle Fourche River 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 August 2024.

How much traffic does Wyo 24 over Belle Fourche River carry?

About 1,760 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Wyo 24 over Belle Fourche River?

The structure is 178 ft (54.3 m) long with a longest span of 69 ft (21 m) and a deck 40 ft wide.

Who owns Wyo 24 over Belle Fourche River?

It is owned by the State Highway Agency.