US Bridges

I-84WB near Echo over Echo Frontage Road

Fair

Summit County, Utah · West of Echo Town · Structure no. 4F 851

Built
2013
12 years old
Condition
Fair
inspected August 2024
Type
Slab
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
4,051
2012 count
Owner
State
State Highway Agency

About this bridge

I-84WB near Echo over Echo Frontage Road is a prestressed concrete slab carrying I-84WB near Echo over Echo Frontage Road in Summit County, Utah. It was built in 2013, so it is 12 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 4,051 vehicles a day, roughly 52% of them trucks, projected to reach 5,063 by 2032. The structure is 59 ft (18 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-84WB near Echo
CrossesEcho Frontage Road
LocationWest of Echo Town
RouteInterstate 84
StateUtah
Coordinates40.9729, -111.44305
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length59 ft (18 m)
Longest span58 ft (17.6 m)
Deck width53 ft (16.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,051 (2012)
Projected traffic5,063 by 2032
Trucks52%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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-84WB near Echo over Echo Frontage Road built?

It was built in 2013, making it 12 years old in 2025.

What condition is I-84WB near Echo over Echo Frontage Road 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-84WB near Echo over Echo Frontage Road carry?

About 4,051 vehicles per day (2012 count), of which roughly 52% are trucks.

How long is I-84WB near Echo over Echo Frontage Road?

The structure is 59 ft (18 m) long with a longest span of 58 ft (17.6 m) and a deck 53 ft wide.

Who owns I-84WB near Echo over Echo Frontage Road?

It is owned by the State Highway Agency.