US Bridges

Wyo 341 over Deadman Creek

Fair

Sheridan County, Wyoming · 1 MI North of Arvada · Structure no. IZV

Built
1980
45 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
354
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 341 over Deadman Creek is a steel culvert carrying Wyo 341 over Deadman Creek in Sheridan County, Wyoming. It was built in 1980, so it is 45 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 354 vehicles a day, roughly 4% of them trucks, projected to reach 496 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 52.2 mi (84 km).

CarriesWyo 341
CrossesDeadman Creek
Location1 MI North of Arvada
RouteState Highway 341
StateWyoming
Coordinates44.6703, -106.13673
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic354 (2024)
Projected traffic496 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.2 mi (84 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 341 over Deadman Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Wyo 341 over Deadman Creek 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 July 2024.

How much traffic does Wyo 341 over Deadman Creek carry?

About 354 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Wyo 341 over Deadman Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns Wyo 341 over Deadman Creek?

It is owned by the State Highway Agency.