US Bridges

US 20 Ebl & Ramp over Idaho Canal

Fair

Bonneville County, Idaho · 2.5 N. Idaho Falls · Structure no. 000000000012365

Built
1987
38 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
82 ft
1 main span
Daily traffic
13,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 Ebl & Ramp over Idaho Canal is a concrete stringer/multi-beam or girder carrying US 20 Ebl & Ramp over Idaho Canal in Bonneville County, Idaho. It was built in 1987, so it is 38 years old, younger 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 13,000 vehicles a day, roughly 11% of them trucks, projected to reach 19,500 by 2042. The structure is 82 ft (25 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS 20 Ebl & Ramp
CrossesIdaho Canal
Location2.5 N. Idaho Falls
RouteU.S. Route 20
CountyBonneville County
StateIdaho
Coordinates43.52957, -112.01896
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length82 ft (25 m)
Longest span81 ft (24.7 m)
Deck width55 ft (16.9 m)
Roadway width53 ft (16.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2023)
Projected traffic19,500 by 2042
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 20 Ebl & Ramp over Idaho Canal built?

It was built in 1987, making it 38 years old in 2025.

What condition is US 20 Ebl & Ramp over Idaho 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 April 2024.

How much traffic does US 20 Ebl & Ramp over Idaho Canal carry?

About 13,000 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 20 Ebl & Ramp over Idaho Canal?

The structure is 82 ft (25 m) long with a longest span of 81 ft (24.7 m) and a deck 55 ft wide.

Who owns US 20 Ebl & Ramp over Idaho Canal?

It is owned by the State Highway Agency.