Structure 31465 · Butte County, ID

3350 West Road over Moore Canal

Carries 3350 West Road over Moore Canal, 1.4 N. Moore.

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 overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT28 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

28 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.

Built197947 years old
Length27.9 ft8.5 m
Daily traffic210counted 2023
Last inspectedApril 2023every 24 months

Location

StateIdaho
CountyButte
Location1.4 N. Moore
Carries3350 West Road
CrossesMoore Canal
Coordinates43.75728, -113.36628

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length27.9 ft (8.5 m)
Max Span26.9 ft (8.2 m)
Deck Width27.9 ft (8.5 m)
Deck Area72.2 sq m
Main Spans1
Year Built1979

Traffic

Avg Daily Traffic210 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number000000000031465

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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