US Bridges

Stc 3831;S. Slope over Farmers Coop Canal

Good

Gem County, Idaho · 1.3 S. 5.3 W. Emmett · Structure no. 000000000028166

Built
2023
2 years old
Condition
Good
inspected March 2024
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
340
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 3831;S. Slope over Farmers Coop Canal is a concrete frame carrying Stc 3831;S. Slope over Farmers Coop Canal in Gem County, Idaho. It was built in 2023, so it is 2 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 340 vehicles a day, roughly 6% of them trucks, projected to reach 510 by 2042. The structure is 30 ft (9.1 m) long and 120 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesStc 3831;S. Slope
CrossesFarmers Coop Canal
Location1.3 S. 5.3 W. Emmett
RouteCounty Highway 3831
CountyGem County
StateIdaho
Coordinates43.8576, -116.60751
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.1 US tons
Inventory rating66.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width120 ft (36.6 m)
Roadway width118 ft (36 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2023)
Projected traffic510 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Stc 3831;S. Slope over Farmers Coop Canal built?

It was built in 2023, making it 2 years old in 2025.

What condition is Stc 3831;S. Slope over Farmers Coop 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 Stc 3831;S. Slope over Farmers Coop Canal carry?

About 340 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Stc 3831;S. Slope over Farmers Coop Canal?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 120 ft wide.

Who owns Stc 3831;S. Slope over Farmers Coop Canal?

It is owned by the County Highway Agency.