US Bridges

I 86 Wbl over Uprr;chubbuck Overpass

Good

Bannock County, Idaho · 0.4 E. Chubbuck · Structure no. 000000000010906

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
11,750
2023 count
Owner
State
State Highway Agency

About this bridge

I 86 Wbl over Uprr;chubbuck Overpass is a steel stringer/multi-beam or girder carrying I 86 Wbl over Uprr;chubbuck Overpass in Bannock County, Idaho. It was built in 2023, so it is 2 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 9 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 120 ft (36.6 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 86 Wbl
CrossesUprr;chubbuck Overpass
Location0.4 E. Chubbuck
RouteInterstate 86
CountyBannock County
StateIdaho
Coordinates42.913, -112.45914
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span120 ft (36.6 m)
Deck width62 ft (18.8 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,750 (2023)
Projected traffic17,625 by 2042
Trucks15%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 86 Wbl over Uprr;chubbuck Overpass built?

It was built in 2023, making it 2 years old in 2025.

What condition is I 86 Wbl over Uprr;chubbuck Overpass 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 December 2023.

How much traffic does I 86 Wbl over Uprr;chubbuck Overpass carry?

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

How long is I 86 Wbl over Uprr;chubbuck Overpass?

The structure is 120 ft (36.6 m) long with a longest span of 120 ft (36.6 m) and a deck 62 ft wide.

Who owns I 86 Wbl over Uprr;chubbuck Overpass?

It is owned by the State Highway Agency.