Structure 23065 · Bingham County, ID

Thomas Road over Peoples Canal

Carries Thomas Road over Peoples Canal, 1.0 W. Thomas.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT34 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

34 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 tee-beam bridge.

Built197155 years old
Length34.1 ft10.4 m
Daily traffic920counted 2023
Last inspectedNovember 2023every 24 months

Location

StateIdaho
CountyBingham
Location1.0 W. Thomas
CarriesThomas Road
CrossesPeoples Canal
Coordinates43.18266, -112.52444

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length34.1 ft (10.4 m)
Max Span33.1 ft (10.1 m)
Deck Width32.2 ft (9.8 m)
Deck Area101.9 sq m
Main Spans1
Year Built1971

Traffic

Avg Daily Traffic920 (2023)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000023065

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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