Structure 22955 · Bingham County, ID

Kimball Rd;n 400 E over W.br.snake R.valley Cnl

Carries Kimball Rd;n 400 E over W.br.snake R.valley Cnl, 1.0 S. Kimball.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

22 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 rigid-frame bridge.

Built197947 years old
Length22.0 ft6.7 m
Daily traffic110counted 2023
Last inspectedApril 2024every 24 months

Location

StateIdaho
CountyBingham
Location1.0 S. Kimball
CarriesKimball Rd;n 400 E
CrossesW.br.snake R.valley Cnl
Coordinates43.25786, -112.21825

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length22.0 ft (6.7 m)
Max Span22.0 ft (6.7 m)
Deck Width29.9 ft (9.1 m)
Deck Area61.0 sq m
Main Spans1
Year Built1979

Traffic

Avg Daily Traffic110 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number000000000022955

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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