US Bridges

I 84 Ebl over B-4 Canal

Fair

Minidoka County, Idaho · 0.3 W. Burley · Structure no. 000000000016335

Built
1966
59 years old, rebuilt 1999
Condition
Fair
inspected November 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 84 Ebl over B-4 Canal is a prestressed concrete stringer/multi-beam or girder carrying I 84 Ebl over B-4 Canal in Minidoka County, Idaho. It was built in 1966 and reconstructed in 1999, so it is 59 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 11,000 vehicles a day, roughly 30% of them trucks, projected to reach 16,500 by 2042. The structure is 150 ft (45.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 84 Ebl
CrossesB-4 Canal
Location0.3 W. Burley
RouteInterstate 84
CountyMinidoka County
StateIdaho
Coordinates42.56809, -113.79362
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.7 m)
Longest span49 ft (14.9 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2023)
Projected traffic16,500 by 2042
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 84 Ebl over B-4 Canal built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1999.

What condition is I 84 Ebl over B-4 Canal 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 November 2021.

How much traffic does I 84 Ebl over B-4 Canal carry?

About 11,000 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is I 84 Ebl over B-4 Canal?

The structure is 150 ft (45.7 m) long with a longest span of 49 ft (14.9 m) and a deck 40 ft wide.

Who owns I 84 Ebl over B-4 Canal?

It is owned by the State Highway Agency.