US Bridges

I 86 Wbl over Hiline Road Gs

Good

Bannock County, Idaho · 0.8 E. Chubbuck · Structure no. 000000000010916

Built
2010
15 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
111 ft
1 main span
Daily traffic
11,750
2023 count
Owner
State
State Highway Agency

About this bridge

I 86 Wbl over Hiline Road Gs is a prestressed concrete stringer/multi-beam or girder carrying I 86 Wbl over Hiline Road Gs in Bannock County, Idaho. It was built in 2010, so it is 15 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,750 vehicles a day, roughly 15% of them trucks, projected to reach 17,625 by 2042. The structure is 111 ft (33.8 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 86 Wbl
CrossesHiline Road Gs
Location0.8 E. Chubbuck
RouteInterstate 86
StateIdaho
Coordinates42.91285, -112.45094
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length111 ft (33.8 m)
Longest span108 ft (32.9 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,750 (2023)
Projected traffic17,625 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-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 86 Wbl over Hiline Road Gs built?

It was built in 2010, making it 15 years old in 2025.

What condition is I 86 Wbl over Hiline Road Gs in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2022.

How much traffic does I 86 Wbl over Hiline Road Gs carry?

About 11,750 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I 86 Wbl over Hiline Road Gs?

The structure is 111 ft (33.8 m) long with a longest span of 108 ft (32.9 m) and a deck 62 ft wide.

Who owns I 86 Wbl over Hiline Road Gs?

It is owned by the State Highway Agency.