US Bridges

Stc 6768;N 4700 E over Farmers Friend Canal

FairPosted for load

Jefferson County, Idaho · 0.5 E. 0.7 N. Ririe · Structure no. 000000000020945

Built
1950
75 years old
Condition
Fair
inspected November 2023
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
2,300
2023 count
Owner
County
County Highway Agency

About this bridge

Stc 6768;N 4700 E over Farmers Friend Canal is a concrete frame carrying Stc 6768;N 4700 E over Farmers Friend Canal in Jefferson County, Idaho. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 2,300 vehicles a day, roughly 11% of them trucks, projected to reach 3,450 by 2042. The structure is 22 ft (6.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesStc 6768;N 4700 E
CrossesFarmers Friend Canal
Location0.5 E. 0.7 N. Ririe
RouteCounty Highway 6768
CountyJefferson County
StateIdaho
Coordinates43.63742, -111.76544
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic3,450 by 2042
Trucks11%
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$447,000 (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stc 6768;N 4700 E over Farmers Friend Canal built?

It was built in 1950, making it 75 years old in 2025.

What condition is Stc 6768;N 4700 E over Farmers Friend 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 November 2023.

How much traffic does Stc 6768;N 4700 E over Farmers Friend Canal carry?

About 2,300 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Stc 6768;N 4700 E over Farmers Friend Canal?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.

Who owns Stc 6768;N 4700 E over Farmers Friend Canal?

It is owned by the County Highway Agency.