US Bridges

I 84 Wbl over County Road Gs 6

Fair

Oneida County, Idaho · 25.8 E. Sublett · Structure no. 000000000016565

Built
1968
57 years old
Condition
Fair
inspected June 2023
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
5,500
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 Wbl over County Road Gs 6 is a concrete frame carrying I 84 Wbl over County Road Gs 6 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 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 5,500 vehicles a day, roughly 46% of them trucks, projected to reach 8,250 by 2042. The structure is 30 ft (9.1 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 84 Wbl
CrossesCounty Road Gs 6
Location25.8 E. Sublett
RouteInterstate 84
CountyOneida County
StateIdaho
Coordinates42.05722, -112.89103
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.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.4 m)
Deck width61 ft (18.6 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic8,250 by 2042
Trucks46%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 County Road Gs 6 built?

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

What condition is I 84 Wbl over County Road Gs 6 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 County Road Gs 6 carry?

About 5,500 vehicles per day (2023 count), of which roughly 46% are trucks.

How long is I 84 Wbl over County Road Gs 6?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.4 m) and a deck 61 ft wide.

Who owns I 84 Wbl over County Road Gs 6?

It is owned by the State Highway Agency.