US Bridges

Lonkey Lane over Lowline Canal

Fair

Canyon County, Idaho · 3.5 S. 5.5 E. Wilder · Structure no. 000000000027346

Built
1996
29 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
62 ft
3 main spans
Daily traffic
50
2023 count
Owner
Local
Other Local Agency

About this bridge

Lonkey Lane over Lowline Canal is a concrete channel beam carrying Lonkey Lane over Lowline Canal in Canyon County, Idaho. It was built in 1996, so it is 29 years old, younger 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2039. The structure is 62 ft (18.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLonkey Lane
CrossesLowline Canal
Location3.5 S. 5.5 E. Wilder
RouteCounty Highway 0
CountyCanyon County
StateIdaho
Coordinates43.62489, -116.79983
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lonkey Lane over Lowline Canal built?

It was built in 1996, making it 29 years old in 2025.

What condition is Lonkey Lane over Lowline 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 October 2024.

How much traffic does Lonkey Lane over Lowline Canal carry?

About 50 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Lonkey Lane over Lowline Canal?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Lonkey Lane over Lowline Canal?

It is owned by the Other Local Agency.