Structure 21436 · Bonneville County, ID

Sma7316;holmes AVE over Idaho Canal

Carries Sma7316;holmes AVE over Idaho Canal, In Idaho Falls.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT52 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

52 ft end to end, longest span 26 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.

Built199927 years old
Length52.2 ft15.9 m
Daily traffic13,500counted 2023
Last inspectedMarch 2023every 24 months

Location

StateIdaho
CountyBonneville
LocationIn Idaho Falls
CarriesSma7316;holmes AVE
CrossesIdaho Canal
Coordinates43.47331, -112.02375

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length52.2 ft (15.9 m)
Max Span25.9 ft (7.9 m)
Deck Width137.8 ft (42 m)
Deck Area667.8 sq m
Main Spans2
Year Built1999

Traffic

Avg Daily Traffic13,500 (2023)
Truck Traffic2%
Lanes On Bridge5

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000021436

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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