US Bridges

US 20 Ebl & Wbl over Salem Union Canal

Fair

Fremont County, Idaho · 1.2 E. ST Anthony · Structure no. 000000000012615

Built
1979
46 years old
Condition
Fair
inspected November 2022
Type
Culvert
Steel
Length
38 ft
1 main span
Daily traffic
9,100
2023 count
Owner
State
State Highway Agency

About this bridge

US 20 Ebl & Wbl over Salem Union Canal is a steel culvert carrying US 20 Ebl & Wbl over Salem Union Canal in Fremont County, Idaho. It was built in 1979, so it is 46 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 9,100 vehicles a day, roughly 14% of them trucks, projected to reach 13,650 by 2042. The structure is 38 ft (11.6 m) long and 177 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
Location1.2 E. ST Anthony
RouteU.S. Route 20
CountyFremont County
StateIdaho
Coordinates43.96692, -111.65442
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span38 ft (11.6 m)
Deck width177 ft (53.8 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2023)
Projected traffic13,650 by 2042
Trucks14%
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 1979, making it 46 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 9,100 vehicles per day (2023 count), of which roughly 14% are trucks.

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

The structure is 38 ft (11.6 m) long with a longest span of 38 ft (11.6 m) and a deck 177 ft wide.

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

It is owned by the State Highway Agency.