US Bridges

Wyo 237 over West Channel Salt River

Fair

Lincoln County, Wyoming · Grover-Auburn Road · Structure no. LMC

Built
2004
21 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
100 ft
3 main spans
Daily traffic
565
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 237 over West Channel Salt River is a steel continuous stringer/multi-beam or girder carrying Wyo 237 over West Channel Salt River in Lincoln County, Wyoming. It was built in 2004, so it is 21 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 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 565 vehicles a day, roughly 4% of them trucks, projected to reach 791 by 2043. The structure is 100 ft (30.5 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWyo 237
CrossesWest Channel Salt River
LocationGrover-Auburn Road
RouteState Highway 237
StateWyoming
Coordinates42.79401, -110.97501
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length100 ft (30.5 m)
Longest span43 ft (13.1 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic565 (2024)
Projected traffic791 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyo 237 over West Channel Salt River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Wyo 237 over West Channel Salt 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 November 2024.

How much traffic does Wyo 237 over West Channel Salt River carry?

About 565 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Wyo 237 over West Channel Salt River?

The structure is 100 ft (30.5 m) long with a longest span of 43 ft (13.1 m) and a deck 35 ft wide.

Who owns Wyo 237 over West Channel Salt River?

It is owned by the State Highway Agency.