US Bridges

Kennedy Lane over Blackfoot Canal

Fair

Bingham County, Idaho · 2.5 Sw. Firth · Structure no. 000000000022393

Built
1968
57 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
6
2023 count
Owner
County
County Highway Agency

About this bridge

Kennedy Lane over Blackfoot Canal is a concrete slab carrying Kennedy Lane over Blackfoot Canal in Bingham County, Idaho. It was built in 1968, so it is 57 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 6 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 6 vehicles a day, projected to reach 9 by 2040. The structure is 35 ft (10.7 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesKennedy Lane
CrossesBlackfoot Canal
Location2.5 Sw. Firth
RouteCounty Highway 0
StateIdaho
Coordinates43.27561, -112.21942
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating38 US tons
Inventory rating23 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span35 ft (10.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6 (2023)
Projected traffic9 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Kennedy Lane over Blackfoot Canal built?

It was built in 1968, making it 57 years old in 2025.

What condition is Kennedy Lane over Blackfoot 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 2024.

How much traffic does Kennedy Lane over Blackfoot Canal carry?

About 6 vehicles per day (2023 count).

How long is Kennedy Lane over Blackfoot Canal?

The structure is 35 ft (10.7 m) long with a longest span of 35 ft (10.7 m) and a deck 30 ft wide.

Who owns Kennedy Lane over Blackfoot Canal?

It is owned by the County Highway Agency.