US Bridges

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

Fair

Salt Lake County, Utah · 1500 West 200 South Slc · Structure no. 0C 377

Built
1967
58 years old, rebuilt 1989
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
256 ft
3 main spans
Daily traffic
61,660
2014 count
Owner
State
State Highway Agency

About this bridge

I-80 (SR-80) over Union Pacific Railroad is a steel continuous stringer/multi-beam or girder carrying I-80 (SR-80) over Union Pacific Railroad in Salt Lake County, Utah. It was built in 1967 and reconstructed in 1989, so it is 58 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 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 61,660 vehicles a day, roughly 15% of them trucks, projected to reach 77,075 by 2034. The structure is 256 ft (78 m) long and 124 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-80 (SR-80)
CrossesUnion Pacific Railroad
Location1500 West 200 South Slc
RouteInterstate 80
CountySalt Lake County
StateUtah
Coordinates40.76565, -111.93545
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length256 ft (78 m)
Longest span108 ft (33 m)
Deck width124 ft (37.8 m)
Roadway width118 ft (35.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic61,660 (2014)
Projected traffic77,075 by 2034
Trucks15%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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) over Union Pacific Railroad built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1989.

What condition is I-80 (SR-80) 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 December 2024.

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

About 61,660 vehicles per day (2014 count), of which roughly 15% are trucks.

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

The structure is 256 ft (78 m) long with a longest span of 108 ft (33 m) and a deck 124 ft wide.

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

It is owned by the State Highway Agency.