US Bridges

I-80 (SR-80) Wbl over Union Pacific Railroad

Fair

Tooele County, Utah · Near Low Interchange · Structure no. 4C 308

Built
1959
66 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
255 ft
3 main spans
Daily traffic
7,850
2014 count
Owner
State
State Highway Agency

About this bridge

I-80 (SR-80) Wbl over Union Pacific Railroad is a steel continuous stringer/multi-beam or girder carrying I-80 (SR-80) Wbl over Union Pacific Railroad in Tooele County, Utah. It was built in 1959, so it is 66 years old, older than the Utah average of 40.1 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 7,850 vehicles a day, roughly 34% of them trucks, projected to reach 9,813 by 2034. The structure is 255 ft (77.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-80 (SR-80) Wbl
CrossesUnion Pacific Railroad
LocationNear Low Interchange
RouteInterstate 80
CountyTooele County
StateUtah
Coordinates40.82311, -112.89579
Functional classRural Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length255 ft (77.7 m)
Longest span96 ft (29.3 m)
Deck width44 ft (13.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,850 (2014)
Projected traffic9,813 by 2034
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-80 (SR-80) Wbl over Union Pacific Railroad built?

It was built in 1959, making it 66 years old in 2025.

What condition is I-80 (SR-80) Wbl over Union Pacific Railroad 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 September 2024.

How much traffic does I-80 (SR-80) Wbl over Union Pacific Railroad carry?

About 7,850 vehicles per day (2014 count), of which roughly 34% are trucks.

How long is I-80 (SR-80) Wbl over Union Pacific Railroad?

The structure is 255 ft (77.7 m) long with a longest span of 96 ft (29.3 m) and a deck 44 ft wide.

Who owns I-80 (SR-80) Wbl over Union Pacific Railroad?

It is owned by the State Highway Agency.