Structure 23035 · Bingham County, ID

Sand Creek Rd;900n over E.br.snake R.valley Cnl

Carries Sand Creek Rd;900n over E.br.snake R.valley Cnl, 4.0 S. 1.1e. Shelley.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
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 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

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 tee-beam bridge.

Built196858 years old
Length22.0 ft6.7 m
Daily traffic100counted 2023
Last inspectedApril 2023every 48 months

Location

StateIdaho
CountyBingham
Location4.0 S. 1.1e. Shelley
CarriesSand Creek Rd;900n
CrossesE.br.snake R.valley Cnl
Coordinates43.32592, -112.10175

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length22.0 ft (6.7 m)
Max Span20.0 ft (6.1 m)
Deck Width29.9 ft (9.1 m)
Deck Area61.0 sq m
Main Spans1
Year Built1968

Traffic

Avg Daily Traffic100 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000023035

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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