US Bridges

SW Cnty RD 23S over UPRR

FairPosted for load

Sweetwater County, Wyoming · Wamsutter Streets · Structure no. LIY

Built
2003
22 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
350 ft
3 main spans
Daily traffic
320
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

SW Cnty RD 23S over UPRR is a steel continuous stringer/multi-beam or girder carrying SW Cnty RD 23S over UPRR in Sweetwater County, Wyoming. It was built in 2003, so it is 22 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. Its operating status is: posted for load restriction.

It carries about 320 vehicles a day, roughly 28% of them trucks, projected to reach 448 by 2043. The structure is 350 ft (106.7 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSW Cnty RD 23S
CrossesUPRR
LocationWamsutter Streets
RouteCity Street 4651
StateWyoming
Coordinates41.67215, -107.97051
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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length350 ft (106.7 m)
Longest span140 ft (42.7 m)
Deck width41 ft (12.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2024)
Projected traffic448 by 2043
Trucks28%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SW Cnty RD 23S over UPRR built?

It was built in 2003, making it 22 years old in 2025.

What condition is SW Cnty RD 23S over UPRR 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 May 2023.

How much traffic does SW Cnty RD 23S over UPRR carry?

About 320 vehicles per day (2024 count), of which roughly 28% are trucks.

How long is SW Cnty RD 23S over UPRR?

The structure is 350 ft (106.7 m) long with a longest span of 140 ft (42.7 m) and a deck 41 ft wide.

Who owns SW Cnty RD 23S over UPRR?

It is owned by the Town or Township Highway Agency.