US Bridges

I 86 Ebl over I 84 Wbl

Good

Cassia County, Idaho · 13.8 E Burley · Structure no. 000000000010593

Built
2020
5 years old
Condition
Good
inspected September 2022
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
452 ft
4 main spans
Daily traffic
19,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 86 Ebl over I 84 Wbl is a prestressed concrete continuous box beam or girders - single or spread carrying I 86 Ebl over I 84 Wbl in Cassia County, Idaho. It was built in 2020, so it is 5 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 19,000 vehicles a day, roughly 42% of them trucks, projected to reach 28,500 by 2042. The structure is 452 ft (137.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 86 Ebl
CrossesI 84 Wbl
Location13.8 E Burley
RouteInterstate 86
StateIdaho
Coordinates42.57, -113.52044
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length452 ft (137.8 m)
Longest span130 ft (39.6 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2023)
Projected traffic28,500 by 2042
Trucks42%
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 86 Ebl over I 84 Wbl built?

It was built in 2020, making it 5 years old in 2025.

What condition is I 86 Ebl over I 84 Wbl 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 September 2022.

How much traffic does I 86 Ebl over I 84 Wbl carry?

About 19,000 vehicles per day (2023 count), of which roughly 42% are trucks.

How long is I 86 Ebl over I 84 Wbl?

The structure is 452 ft (137.8 m) long with a longest span of 130 ft (39.6 m) and a deck 44 ft wide.

Who owns I 86 Ebl over I 84 Wbl?

It is owned by the State Highway Agency.