US Bridges

SR-30 over I-84 (SR-84) Ebl & W

Fair

Box Elder County, Utah · W.Snowville Interchange · Structure no. 0F 266

Built
1970
55 years old, rebuilt 2003
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
392 ft
5 main spans
Daily traffic
573
2022 count
Owner
State
State Highway Agency

About this bridge

SR-30 over I-84 (SR-84) Ebl & W is a prestressed concrete stringer/multi-beam or girder carrying SR-30 over I-84 (SR-84) Ebl & W in Box Elder County, Utah. It was built in 1970 and reconstructed in 2003, so it is 55 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 573 vehicles a day, roughly 35% of them trucks, projected to reach 688 by 2042. The structure is 392 ft (119.5 m) long and 54 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSR-30
CrossesI-84 (SR-84) Ebl & W
LocationW.Snowville Interchange
RouteState Highway 30
StateUtah
Coordinates41.96444, -112.75778
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 alignment6: Equal to present minimum criteria
Operating rating52.1 US tons
Inventory rating26.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length392 ft (119.5 m)
Longest span104 ft (31.6 m)
Deck width54 ft (16.6 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic573 (2022)
Projected traffic688 by 2042
Trucks35%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

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 SR-30 over I-84 (SR-84) Ebl & W built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2003.

What condition is SR-30 over I-84 (SR-84) Ebl & W 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 April 2023.

How much traffic does SR-30 over I-84 (SR-84) Ebl & W carry?

About 573 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is SR-30 over I-84 (SR-84) Ebl & W?

The structure is 392 ft (119.5 m) long with a longest span of 104 ft (31.6 m) and a deck 54 ft wide.

Who owns SR-30 over I-84 (SR-84) Ebl & W?

It is owned by the State Highway Agency.