US Bridges

I-84 (SR-84) over Weber River

Fair

Morgan County, Utah · 0.3 Mi.W.Devils Slide Int · Structure no. 0C 603

Built
1973
52 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
138 ft
1 main span
Daily traffic
12,609
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (SR-84) over Weber River is a steel stringer/multi-beam or girder carrying I-84 (SR-84) over Weber River in Morgan County, Utah. It was built in 1973, so it is 52 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 12,609 vehicles a day, roughly 53% of them trucks, projected to reach 15,131 by 2042. The structure is 138 ft (42.2 m) long and 124 ft wide. If it were closed, the detour would be 54.1 mi (87 km).

Location

Open in Google Maps
CarriesI-84 (SR-84)
CrossesWeber River
Location0.3 Mi.W.Devils Slide Int
RouteInterstate 84
CountyMorgan County
StateUtah
Coordinates41.06343, -111.54694
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 protection8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length138 ft (42.2 m)
Longest span134 ft (40.8 m)
Deck width124 ft (37.7 m)
Roadway width113 ft (34.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,609 (2022)
Projected traffic15,131 by 2042
Trucks53%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 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) over Weber River built?

It was built in 1973, making it 52 years old in 2025.

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

About 12,609 vehicles per day (2022 count), of which roughly 53% are trucks.

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

The structure is 138 ft (42.2 m) long with a longest span of 134 ft (40.8 m) and a deck 124 ft wide.

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

It is owned by the State Highway Agency.