US Bridges

I-84 (SR-84) Wbl over Weber River

Fair

Summit County, Utah · Northwest of Henefer · Structure no. 4F 201

Built
1971
54 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
2 main spans
Daily traffic
6,985
2014 count
Owner
State
State Highway Agency

About this bridge

I-84 (SR-84) Wbl over Weber River is a prestressed concrete stringer/multi-beam or girder carrying I-84 (SR-84) Wbl over Weber River in Summit County, Utah. It was built in 1971, so it is 54 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 6,985 vehicles a day, roughly 50% of them trucks, projected to reach 8,732 by 2034. The structure is 126 ft (38.4 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-84 (SR-84) Wbl
CrossesWeber River
LocationNorthwest of Henefer
RouteInterstate 84
CountySummit County
StateUtah
Coordinates41.03573, -111.50969
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length126 ft (38.4 m)
Longest span60 ft (18.3 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,985 (2014)
Projected traffic8,732 by 2034
Trucks50%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-84 (SR-84) Wbl over Weber River built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-84 (SR-84) Wbl over Weber River 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-84 (SR-84) Wbl over Weber River carry?

About 6,985 vehicles per day (2014 count), of which roughly 50% are trucks.

How long is I-84 (SR-84) Wbl over Weber River?

The structure is 126 ft (38.4 m) long with a longest span of 60 ft (18.3 m) and a deck 41 ft wide.

Who owns I-84 (SR-84) Wbl over Weber River?

It is owned by the State Highway Agency.