US Bridges

E 3rd N; Salem Ch over Salem Canal

Fair

Madison County, Idaho · In Sugar CITY;3rd N.St · Structure no. 000000000032855

Built
1978
47 years old
Condition
Fair
inspected April 2023
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
260
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

E 3rd N; Salem Ch over Salem Canal is a concrete frame carrying E 3rd N; Salem Ch over Salem Canal in Madison County, Idaho. It was built in 1978, so it is 47 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 260 vehicles a day, roughly 12% of them trucks, projected to reach 390 by 2039. The structure is 23 ft (7 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesE 3rd N; Salem Ch
CrossesSalem Canal
LocationIn Sugar CITY;3rd N.St
RouteCounty Highway 0
CountyMadison County
StateIdaho
Coordinates43.8765, -111.75058
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width56 ft (17.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2023)
Projected traffic390 by 2039
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 E 3rd N; Salem Ch over Salem Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is E 3rd N; Salem Ch over Salem 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 2023.

How much traffic does E 3rd N; Salem Ch over Salem Canal carry?

About 260 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is E 3rd N; Salem Ch over Salem Canal?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 56 ft wide.

Who owns E 3rd N; Salem Ch over Salem Canal?

It is owned by the City or Municipal Highway Agency.