US Bridges

Wyo 374 over UPRR

Fair

Sweetwater County, Wyoming · JCT I-80 - Green River · Structure no. BKD

Built
1946
79 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
342 ft
3 main spans
Daily traffic
3,065
2024 count
Owner
State
State Highway Agency

About this bridge

Wyo 374 over UPRR is a steel continuous stringer/multi-beam or girder carrying Wyo 374 over UPRR in Sweetwater County, Wyoming. It was built in 1946, so it is 79 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 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 3,065 vehicles a day, roughly 9% of them trucks, projected to reach 4,291 by 2043. The structure is 342 ft (104.1 m) long and 35 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesWyo 374
CrossesUPRR
LocationJCT I-80 - Green River
RouteState Highway 374
CountySweetwater County
StateWyoming
Coordinates41.54998, -109.60698
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20
Structure length342 ft (104.1 m)
Longest span130 ft (39.6 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,065 (2024)
Projected traffic4,291 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed18 mi (29 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wyo 374 over UPRR built?

It was built in 1946, making it 79 years old in 2025.

What condition is Wyo 374 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 June 2023.

How much traffic does Wyo 374 over UPRR carry?

About 3,065 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Wyo 374 over UPRR?

The structure is 342 ft (104.1 m) long with a longest span of 130 ft (39.6 m) and a deck 35 ft wide.

Who owns Wyo 374 over UPRR?

It is owned by the State Highway Agency.