US Bridges

STC9589;SALES Yard over Farmers Coop Canal

Fair

Gem County, Idaho · 1.7 S. 0.2 W. Emmett · Structure no. 000000000028115

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
330
2023 count
Owner
County
County Highway Agency

About this bridge

STC9589;SALES Yard over Farmers Coop Canal is a prestressed concrete tee beam carrying STC9589;SALES Yard over Farmers Coop Canal in Gem County, Idaho. It was built in 1970, so it is 55 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 5 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 330 vehicles a day, projected to reach 495 by 2042. The structure is 26 ft (7.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSTC9589;SALES Yard
CrossesFarmers Coop Canal
Location1.7 S. 0.2 W. Emmett
RouteCounty Highway 9589
CountyGem County
StateIdaho
Coordinates43.85022, -116.503
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating34.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2023)
Projected traffic495 by 2042
Trucks0%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$512,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was STC9589;SALES Yard over Farmers Coop Canal built?

It was built in 1970, making it 55 years old in 2025.

What condition is STC9589;SALES Yard over Farmers Coop 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 March 2023.

How much traffic does STC9589;SALES Yard over Farmers Coop Canal carry?

About 330 vehicles per day (2023 count).

How long is STC9589;SALES Yard over Farmers Coop Canal?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 26 ft wide.

Who owns STC9589;SALES Yard over Farmers Coop Canal?

It is owned by the County Highway Agency.