US Bridges

I-84 (SR-84) Wbl over E.Rattlesnake Int.X-Rd.

Fair

Box Elder County, Utah · 10 Miles Se.Of Snowville · Structure no. 4F 246

Built
1969
56 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
12,317
2023 count
Owner
State
State Highway Agency

About this bridge

I-84 (SR-84) Wbl over E.Rattlesnake Int.X-Rd. is a prestressed concrete stringer/multi-beam or girder carrying I-84 (SR-84) Wbl over E.Rattlesnake Int.X-Rd. in Box Elder County, Utah. It was built in 1969, so it is 56 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 12,317 vehicles a day, roughly 57% of them trucks, projected to reach 14,780 by 2043. The structure is 82 ft (25 m) long and 42 ft wide.

CarriesI-84 (SR-84) Wbl
CrossesE.Rattlesnake Int.X-Rd.
Location10 Miles Se.Of Snowville
RouteInterstate 84
StateUtah
Coordinates41.89722, -112.54444
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length82 ft (25 m)
Longest span78 ft (23.8 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,317 (2023)
Projected traffic14,780 by 2043
Trucks57%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 E.Rattlesnake Int.X-Rd. built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-84 (SR-84) Wbl over E.Rattlesnake Int.X-Rd. 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 I-84 (SR-84) Wbl over E.Rattlesnake Int.X-Rd. carry?

About 12,317 vehicles per day (2023 count), of which roughly 57% are trucks.

How long is I-84 (SR-84) Wbl over E.Rattlesnake Int.X-Rd.?

The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m) and a deck 42 ft wide.

Who owns I-84 (SR-84) Wbl over E.Rattlesnake Int.X-Rd.?

It is owned by the State Highway Agency.