US Bridges

Mt. Aire Road over I-80 (SR-80) Ebl and WB

Poor

Salt Lake County, Utah · Mt. Aire Interchange · Structure no. 0C 574

Built
1973
52 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
189 ft
3 main spans
Daily traffic
815
2012 count
Owner
State
State Highway Agency

About this bridge

Mt. Aire Road over I-80 (SR-80) Ebl and WB is a steel continuous stringer/multi-beam or girder carrying Mt. Aire Road over I-80 (SR-80) Ebl and WB in Salt Lake County, Utah. It was built in 1973, so it is 52 years old, older than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 815 vehicles a day, roughly 10% of them trucks, projected to reach 1,019 by 2032. The structure is 189 ft (57.6 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMt. Aire Road
CrossesI-80 (SR-80) Ebl and WB
LocationMt. Aire Interchange
RouteInterstate 80
StateUtah
Coordinates40.73934, -111.74262
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46.4 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length189 ft (57.6 m)
Longest span134 ft (40.8 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic815 (2012)
Projected traffic1,019 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Mt. Aire Road over I-80 (SR-80) Ebl and WB built?

It was built in 1973, making it 52 years old in 2025.

What condition is Mt. Aire Road over I-80 (SR-80) Ebl and WB in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Mt. Aire Road over I-80 (SR-80) Ebl and WB carry?

About 815 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is Mt. Aire Road over I-80 (SR-80) Ebl and WB?

The structure is 189 ft (57.6 m) long with a longest span of 134 ft (40.8 m) and a deck 34 ft wide.

Who owns Mt. Aire Road over I-80 (SR-80) Ebl and WB?

It is owned by the State Highway Agency.