US Bridges

I-80WB (SR-80) over Int.X-Rd@parleys Summit

Fair

Summit County, Utah · At Parleys Summit Intchg. · Structure no. 4C1004

Built
2011
14 years old
Condition
Fair
inspected August 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
133 ft
1 main span
Daily traffic
64,590
2023 count
Owner
State
State Highway Agency

About this bridge

I-80WB (SR-80) over Int.X-Rd@parleys Summit is a steel stringer/multi-beam or girder carrying I-80WB (SR-80) over Int.X-Rd@parleys Summit in Summit County, Utah. It was built in 2011, so it is 14 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 64,590 vehicles a day, roughly 25% of them trucks, projected to reach 77,508 by 2043. The structure is 133 ft (40.4 m) long and 76 ft wide.

Location

Open in Google Maps
CarriesI-80WB (SR-80)
CrossesInt.X-Rd@parleys Summit
LocationAt Parleys Summit Intchg.
RouteInterstate 80
CountySummit County
StateUtah
Coordinates40.75283, -111.61416
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 2022
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 rating67.9 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length133 ft (40.4 m)
Longest span130 ft (39.6 m)
Deck width76 ft (23.2 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,590 (2023)
Projected traffic77,508 by 2043
Trucks25%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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-80WB (SR-80) over Int.X-Rd@parleys Summit built?

It was built in 2011, making it 14 years old in 2025.

What condition is I-80WB (SR-80) over Int.X-Rd@parleys Summit 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 2022.

How much traffic does I-80WB (SR-80) over Int.X-Rd@parleys Summit carry?

About 64,590 vehicles per day (2023 count), of which roughly 25% are trucks.

How long is I-80WB (SR-80) over Int.X-Rd@parleys Summit?

The structure is 133 ft (40.4 m) long with a longest span of 130 ft (39.6 m) and a deck 76 ft wide.

Who owns I-80WB (SR-80) over Int.X-Rd@parleys Summit?

It is owned by the State Highway Agency.