US Bridges

Stc 3842;STAR Lane over Farmers Coop Canal

Fair

Gem County, Idaho · 2.4 S. 3.3 W. Emmett · Structure no. 000000000028005

Built
1976
49 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
380
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 3842;STAR Lane over Farmers Coop Canal is a prestressed concrete tee beam carrying Stc 3842;STAR Lane over Farmers Coop Canal in Gem County, Idaho. It was built in 1976, so it is 49 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 380 vehicles a day, roughly 12% of them trucks, projected to reach 570 by 2042. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesStc 3842;STAR Lane
CrossesFarmers Coop Canal
Location2.4 S. 3.3 W. Emmett
RouteCounty Highway 3842
CountyGem County
StateIdaho
Coordinates43.83697, -116.56742
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating30 US tons
Inventory rating18 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2023)
Projected traffic570 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$401,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 3842;STAR Lane over Farmers Coop Canal built?

It was built in 1976, making it 49 years old in 2025.

What condition is Stc 3842;STAR Lane 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 Stc 3842;STAR Lane over Farmers Coop Canal carry?

About 380 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Stc 3842;STAR Lane over Farmers Coop Canal?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 28 ft wide.

Who owns Stc 3842;STAR Lane over Farmers Coop Canal?

It is owned by the County Highway Agency.