Structure 28180 · Gem County, ID

Stc 8001;main ST over Farmers Coop Canal

Carries Stc 8001;main ST over Farmers Coop Canal, In Emmett;main ST.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

26 ft end to end, longest span 13 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 rigid-frame bridge.

Built1940rebuilt 1950
Length25.9 ft7.9 m
Daily traffic1,300counted 2023
Last inspectedMarch 2024every 24 months

Location

StateIdaho
CountyGem
LocationIn Emmett;main ST
CarriesStc 8001;main ST
CrossesFarmers Coop Canal
Coordinates43.87558, -116.50306

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length25.9 ft (7.9 m)
Max Span13.1 ft (4 m)
Deck Width57.7 ft (17.6 m)
Deck Area139.0 sq m
Main Spans2
Year Built1940 (reconstructed 1950)

Traffic

Avg Daily Traffic1,300 (2023)
Truck Traffic59%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000028180

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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