US Bridges

E 400 N over Farmers Friend Canal

Good

Fremont County, Idaho · 1.3 S. 0.5 E. ST Anthony · Structure no. 000000000032006

Built
2009
16 years old
Condition
Good
inspected November 2024
Type
Frame
Concrete
Length
30 ft
1 main span
Daily traffic
500
2023 count
Owner
County
County Highway Agency

About this bridge

E 400 N over Farmers Friend Canal is a concrete frame carrying E 400 N over Farmers Friend Canal in Fremont County, Idaho. It was built in 2009, so it is 16 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 500 vehicles a day, roughly 15% of them trucks, projected to reach 750 by 2039. The structure is 30 ft (9.1 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE 400 N
CrossesFarmers Friend Canal
Location1.3 S. 0.5 E. ST Anthony
RouteCounty Highway 0
StateIdaho
Coordinates43.94133, -111.67086
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating50 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic750 by 2039
Trucks15%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was E 400 N over Farmers Friend Canal built?

It was built in 2009, making it 16 years old in 2025.

What condition is E 400 N over Farmers Friend 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 November 2024.

How much traffic does E 400 N over Farmers Friend Canal carry?

About 500 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is E 400 N over Farmers Friend Canal?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.

Who owns E 400 N over Farmers Friend Canal?

It is owned by the County Highway Agency.