US Bridges

US 20 Ebl & Wbl over Salem Union Canal

Fair

Fremont County, Idaho · 1.4 Sw. ST Anthony · Structure no. 000000000012600

Built
1984
41 years old
Condition
Fair
inspected November 2022
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
12,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 Ebl & Wbl over Salem Union Canal is a concrete frame carrying US 20 Ebl & Wbl over Salem Union Canal in Fremont County, Idaho. It was built in 1984, so it is 41 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 12,500 vehicles a day, roughly 12% of them trucks, projected to reach 18,750 by 2042. The structure is 28 ft (8.5 m) long and 114 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 20 Ebl & Wbl
CrossesSalem Union Canal
Location1.4 Sw. ST Anthony
RouteU.S. Route 20
CountyFremont County
StateIdaho
Coordinates43.95, -111.699
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width114 ft (34.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2023)
Projected traffic18,750 by 2042
Trucks12%
Lanes on structure4
Traffic directionTwo-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 & Wbl over Salem Union Canal built?

It was built in 1984, making it 41 years old in 2025.

What condition is US 20 Ebl & Wbl over Salem Union 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 2022.

How much traffic does US 20 Ebl & Wbl over Salem Union Canal carry?

About 12,500 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 20 Ebl & Wbl over Salem Union Canal?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 114 ft wide.

Who owns US 20 Ebl & Wbl over Salem Union Canal?

It is owned by the State Highway Agency.