US Bridges

I-80 EB (SR-80) over County Road Interchange

Fair

Summit County, Utah · Echo Jct. Interchange · Structure no. 2F 792

Built
2009
16 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
14,920
2014 count
Owner
State
State Highway Agency

About this bridge

I-80 EB (SR-80) over County Road Interchange is a prestressed concrete stringer/multi-beam or girder carrying I-80 EB (SR-80) over County Road Interchange in Summit County, Utah. It was built in 2009, so it is 16 years old, younger 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 14,920 vehicles a day, roughly 37% of them trucks, projected to reach 18,650 by 2034. The structure is 82 ft (25.1 m) long and 45 ft wide.

Location

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CarriesI-80 EB (SR-80)
CrossesCounty Road Interchange
LocationEcho Jct. Interchange
RouteInterstate 80
CountySummit County
StateUtah
Coordinates40.97476, -111.43182
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (25.1 m)
Longest span80 ft (24.4 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,920 (2014)
Projected traffic18,650 by 2034
Trucks37%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 EB (SR-80) over County Road Interchange built?

It was built in 2009, making it 16 years old in 2025.

What condition is I-80 EB (SR-80) over County Road Interchange 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 August 2024.

How much traffic does I-80 EB (SR-80) over County Road Interchange carry?

About 14,920 vehicles per day (2014 count), of which roughly 37% are trucks.

How long is I-80 EB (SR-80) over County Road Interchange?

The structure is 82 ft (25.1 m) long with a longest span of 80 ft (24.4 m) and a deck 45 ft wide.

Who owns I-80 EB (SR-80) over County Road Interchange?

It is owned by the State Highway Agency.