US Bridges

I-84 (SR-84) Ebl over I-15 (SR-15) Nbl & S

Fair

Weber County, Utah · I-84 Ramp over I-15 · Structure no. 2C 457

Built
1967
58 years old, rebuilt 2013
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
316 ft
4 main spans
Daily traffic
5,957
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 (SR-84) Ebl over I-15 (SR-15) Nbl & S is a steel continuous stringer/multi-beam or girder carrying I-84 (SR-84) Ebl over I-15 (SR-15) Nbl & S in Weber County, Utah. It was built in 1967 and reconstructed in 2013, 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 5,957 vehicles a day, roughly 25% of them trucks, projected to reach 7,148 by 2042. The structure is 316 ft (96.3 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-84 (SR-84) Ebl
CrossesI-15 (SR-15) Nbl & S
LocationI-84 Ramp over I-15
RouteInterstate 15
CountyWeber County
StateUtah
Coordinates41.18556, -112.01111
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating51 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, precast panels
Main spans4 (+2 approach)
Design loadHS 20 + Mod
Structure length316 ft (96.3 m)
Longest span105 ft (31.9 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,957 (2022)
Projected traffic7,148 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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) Ebl over I-15 (SR-15) Nbl & S built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2013.

What condition is I-84 (SR-84) Ebl over I-15 (SR-15) Nbl & S 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) Ebl over I-15 (SR-15) Nbl & S carry?

About 5,957 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is I-84 (SR-84) Ebl over I-15 (SR-15) Nbl & S?

The structure is 316 ft (96.3 m) long with a longest span of 105 ft (31.9 m) and a deck 35 ft wide.

Who owns I-84 (SR-84) Ebl over I-15 (SR-15) Nbl & S?

It is owned by the State Highway Agency.