US Bridges

Wyo 434 over Tensleep Creek

Good

Washakie County, Wyoming · Tensleep - Big Trails · Structure no. DJP

Built
1978
47 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
3 main spans
Daily traffic
472
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 434 over Tensleep Creek is a steel continuous stringer/multi-beam or girder carrying Wyo 434 over Tensleep Creek in Washakie County, Wyoming. It was built in 1978, so it is 47 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 472 vehicles a day, roughly 8% of them trucks, projected to reach 661 by 2043. The structure is 170 ft (51.8 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWyo 434
CrossesTensleep Creek
LocationTensleep - Big Trails
RouteState Highway 434
StateWyoming
Coordinates44.03022, -107.45132
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating58.2 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length170 ft (51.8 m)
Longest span67 ft (20.4 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2024)
Projected traffic661 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 434 over Tensleep Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Wyo 434 over Tensleep Creek 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 2024.

How much traffic does Wyo 434 over Tensleep Creek carry?

About 472 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Wyo 434 over Tensleep Creek?

The structure is 170 ft (51.8 m) long with a longest span of 67 ft (20.4 m) and a deck 35 ft wide.

Who owns Wyo 434 over Tensleep Creek?

It is owned by the State Highway Agency.