Structure 27346 · Canyon County, ID

Lonkey Lane over Lowline Canal

Carries Lonkey Lane over Lowline Canal, 3.5 S. 5.5 E. Wilder.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT62 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

62 ft end to end, longest span 20 ft. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a channel-beam bridge.

Built199630 years old
Length62.0 ft18.9 m
Daily traffic50counted 2023
Last inspectedOctober 2024every 24 months

Location

StateIdaho
CountyCanyon
Location3.5 S. 5.5 E. Wilder
CarriesLonkey Lane
CrossesLowline Canal
Coordinates43.62489, -116.79983

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length62.0 ft (18.9 m)
Max Span20.0 ft (6.1 m)
Deck Width31.5 ft (9.6 m)
Deck Area181.4 sq m
Main Spans3
Year Built1996

Traffic

Avg Daily Traffic50 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerOther Local Agencies
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000027346

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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