US Bridges

US 20 over Badwater Creek

Fair

Fremont County, Wyoming · Shoshoni - Thermopolis · Structure no. CBV

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
406 ft
4 main spans
Daily traffic
2,636
2024 count
Owner
State
State Highway Agency

About this bridge

US 20 over Badwater Creek is a steel continuous stringer/multi-beam or girder carrying US 20 over Badwater Creek in Fremont County, Wyoming. It was built in 1970, so it is 55 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 2,636 vehicles a day, roughly 21% of them trucks, projected to reach 3,690 by 2043. The structure is 406 ft (123.7 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesUS 20
CrossesBadwater Creek
LocationShoshoni - Thermopolis
RouteU.S. Route 20
CountyFremont County
StateWyoming
Coordinates43.27279, -108.11719
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length406 ft (123.7 m)
Longest span110 ft (33.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,636 (2024)
Projected traffic3,690 by 2043
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$271,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 20 over Badwater Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is US 20 over Badwater 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 August 2024.

How much traffic does US 20 over Badwater Creek carry?

About 2,636 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is US 20 over Badwater Creek?

The structure is 406 ft (123.7 m) long with a longest span of 110 ft (33.5 m) and a deck 43 ft wide.

Who owns US 20 over Badwater Creek?

It is owned by the State Highway Agency.