US Bridges

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

Fair

Morgan County, Utah · 1 Mile West Taggarts Int. · Structure no. 4F 121

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
3 main spans
Daily traffic
12,467
2023 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 Morgan 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 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 12,467 vehicles a day, roughly 55% of them trucks, projected to reach 14,960 by 2043. The structure is 160 ft (48.9 m) long and 40 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
Location1 Mile West Taggarts Int.
RouteInterstate 84
CountyMorgan County
StateUtah
Coordinates41.05071, -111.6043
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length160 ft (48.9 m)
Longest span52 ft (16 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,467 (2023)
Projected traffic14,960 by 2043
Trucks55%
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 1967, making it 58 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 July 2023.

How much traffic does I-84 (SR-84) Wbl over Weber River carry?

About 12,467 vehicles per day (2023 count), of which roughly 55% are trucks.

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

The structure is 160 ft (48.9 m) long with a longest span of 52 ft (16 m) and a deck 40 ft wide.

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

It is owned by the State Highway Agency.