Structure 32353 · Jefferson County, ID

N 5050 E over Great Feeder Canal Head

Carries N 5050 E over Great Feeder Canal Head, 0.7 S. 0.4 W. Heise.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT106 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

106 ft end to end, longest span 17 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 slab bridge.

Built201610 years old
Length106.0 ft32.3 m
Daily traffic40counted 2023
Last inspectedOctober 2024every 48 months

Location

StateIdaho
CountyJefferson
Location0.7 S. 0.4 W. Heise
CarriesN 5050 E
CrossesGreat Feeder Canal Head
Coordinates43.63103, -111.69269

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length106.0 ft (32.3 m)
Max Span17.1 ft (5.2 m)
Deck Width16.1 ft (4.9 m)
Deck Area158.3 sq m
Main Spans6
Year Built2016

Traffic

Avg Daily Traffic40 (2023)
Lanes On Bridge1

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 48 months
OwnerPrivate
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000032353

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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