US Bridges

Eel Lane over Lawrence Kennedy Canal

Fair

Canyon County, Idaho · 0.7 S. 2.9 E. Middleton · Structure no. 000000000027465

Built
1974
51 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
180
2023 count
Owner
Local
Other Local Agency

About this bridge

Eel Lane over Lawrence Kennedy Canal is a prestressed concrete tee beam carrying Eel Lane over Lawrence Kennedy Canal in Canyon County, Idaho. It was built in 1974, so it is 51 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 180 vehicles a day, roughly 10% of them trucks, projected to reach 270 by 2039. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesEel Lane
CrossesLawrence Kennedy Canal
Location0.7 S. 2.9 E. Middleton
RouteCounty Highway 0
StateIdaho
Coordinates43.69661, -116.56158
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38 US tons
Inventory rating23 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2023)
Projected traffic270 by 2039
Trucks10%
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

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$354,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Eel Lane over Lawrence Kennedy Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is Eel Lane over Lawrence Kennedy 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 Eel Lane over Lawrence Kennedy Canal carry?

About 180 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Eel Lane over Lawrence Kennedy Canal?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Eel Lane over Lawrence Kennedy Canal?

It is owned by the Other Local Agency.