Structure 24545 · Jerome County, ID

Ridgeway Road over C Canal

Carries Ridgeway Road over C Canal, 2.0 S. 3.5 E. Hazelton.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT32 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9Substructure 4/9 · sets the rating

32 ft end to end. 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.

Built196363 years old
Length32.2 ft9.8 m
Daily traffic450counted 2023
Last inspectedMarch 2024every 12 months

Location

StateIdaho
CountyJerome
Location2.0 S. 3.5 E. Hazelton
CarriesRidgeway Road
CrossesC Canal
Coordinates42.56839, -114.06942

Physical Characteristics

MaterialPrestressed Concrete
DesignChannel Beam
Total Length32.2 ft (9.8 m)
Max Span30.8 ft (9.4 m)
Deck Width27.9 ft (8.5 m)
Deck Area83.3 sq m
Main Spans1
Year Built1963

Traffic

Avg Daily Traffic450 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerOther Local Agencies
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number000000000024545

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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