US Bridges

I 84 Wbl over Juniper Road Ic

Fair

Oneida County, Idaho · 17.7 E. Sublett · Structure no. 000000000016525

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
120 ft
3 main spans
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 Wbl over Juniper Road Ic is a concrete stringer/multi-beam or girder carrying I 84 Wbl over Juniper Road Ic in Oneida County, Idaho. It was built in 1968, so it is 57 years old, older than the Idaho average of 45.3 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 5,500 vehicles a day, roughly 48% of them trucks, projected to reach 8,250 by 2042. The structure is 120 ft (36.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 84 Wbl
CrossesJuniper Road Ic
Location17.7 E. Sublett
RouteInterstate 84
CountyOneida County
StateIdaho
Coordinates42.15187, -112.98508
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span39 ft (11.9 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic8,250 by 2042
Trucks48%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 84 Wbl over Juniper Road Ic built?

It was built in 1968, making it 57 years old in 2025.

What condition is I 84 Wbl over Juniper Road Ic 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 June 2023.

How much traffic does I 84 Wbl over Juniper Road Ic carry?

About 5,500 vehicles per day (2023 count), of which roughly 48% are trucks.

How long is I 84 Wbl over Juniper Road Ic?

The structure is 120 ft (36.6 m) long with a longest span of 39 ft (11.9 m) and a deck 41 ft wide.

Who owns I 84 Wbl over Juniper Road Ic?

It is owned by the State Highway Agency.