US Bridges

I-84 (SR-84) Wbl over US-89 (SR-89) Nbl &

Fair

Weber County, Utah · Uintah JCT Interchange · Structure no. 4F 93

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
164 ft
4 main spans
Daily traffic
18,995
2014 count
Owner
State
State Highway Agency

About this bridge

I-84 (SR-84) Wbl over US-89 (SR-89) Nbl & is a prestressed concrete stringer/multi-beam or girder carrying I-84 (SR-84) Wbl over US-89 (SR-89) Nbl & in Weber County, Utah. It was built in 1967, so it is 58 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 18,995 vehicles a day, roughly 34% of them trucks, projected to reach 23,744 by 2034. The structure is 164 ft (50 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
CrossesUS-89 (SR-89) Nbl &
LocationUintah JCT Interchange
RouteInterstate 84
CountyWeber County
StateUtah
Coordinates41.1375, -111.91361
Functional classUrban 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length164 ft (50 m)
Longest span57 ft (17.4 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,995 (2014)
Projected traffic23,744 by 2034
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 US-89 (SR-89) Nbl & built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-84 (SR-84) Wbl over US-89 (SR-89) Nbl & 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 2023.

How much traffic does I-84 (SR-84) Wbl over US-89 (SR-89) Nbl & carry?

About 18,995 vehicles per day (2014 count), of which roughly 34% are trucks.

How long is I-84 (SR-84) Wbl over US-89 (SR-89) Nbl &?

The structure is 164 ft (50 m) long with a longest span of 57 ft (17.4 m) and a deck 41 ft wide.

Who owns I-84 (SR-84) Wbl over US-89 (SR-89) Nbl &?

It is owned by the State Highway Agency.