US Bridges

S6780;SALEM Church over Salem Canal

Good

Madison County, Idaho · 0.060 W. Sugar City · Structure no. 000000000032858

Built
2001
24 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
63 ft
1 main span
Daily traffic
1,900
2023 count
Owner
County
County Highway Agency

About this bridge

S6780;SALEM Church over Salem Canal is a concrete culvert carrying S6780;SALEM Church over Salem Canal in Madison County, Idaho. It was built in 2001, so it is 24 years old, younger than the Idaho average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,900 vehicles a day, roughly 4% of them trucks, projected to reach 2,850 by 2042. The structure is 63 ft (19.2 m) long and 115 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS6780;SALEM Church
CrossesSalem Canal
Location0.060 W. Sugar City
RouteCounty Highway 6780
StateIdaho
Coordinates43.87642, -111.75958
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span63 ft (19.1 m)
Deck width115 ft (35.1 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2023)
Projected traffic2,850 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 S6780;SALEM Church over Salem Canal built?

It was built in 2001, making it 24 years old in 2025.

What condition is S6780;SALEM Church over Salem Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does S6780;SALEM Church over Salem Canal carry?

About 1,900 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S6780;SALEM Church over Salem Canal?

The structure is 63 ft (19.2 m) long with a longest span of 63 ft (19.1 m) and a deck 115 ft wide.

Who owns S6780;SALEM Church over Salem Canal?

It is owned by the County Highway Agency.