US Bridges

Hog Hollow RD over Farmers Friend Canal

FairPosted for load

Fremont County, Idaho · 0.4 S. 1.1 E. ST Anthony · Structure no. 000000000031960

Built
1955
70 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
380
2023 count
Owner
County
County Highway Agency

About this bridge

Hog Hollow RD over Farmers Friend Canal is a prestressed concrete box beam or girders - multiple carrying Hog Hollow RD over Farmers Friend Canal in Fremont County, Idaho. It was built in 1955, so it is 70 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 380 vehicles a day, roughly 10% of them trucks, projected to reach 570 by 2039. The structure is 37 ft (11.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHog Hollow RD
CrossesFarmers Friend Canal
Location0.4 S. 1.1 E. ST Anthony
RouteCounty Highway 0
StateIdaho
Coordinates43.95575, -111.65864
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length37 ft (11.3 m)
Longest span36 ft (11 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic380 (2023)
Projected traffic570 by 2039
Trucks10%
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$438,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hog Hollow RD over Farmers Friend Canal built?

It was built in 1955, making it 70 years old in 2025.

What condition is Hog Hollow RD 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 2024.

How much traffic does Hog Hollow RD over Farmers Friend Canal carry?

About 380 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Hog Hollow RD over Farmers Friend Canal?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (11 m) and a deck 26 ft wide.

Who owns Hog Hollow RD over Farmers Friend Canal?

It is owned by the County Highway Agency.