Structure 33610 · Valley County, ID

Elk Summit RD over Lower Elk Creek

Carries Elk Summit RD over Lower Elk Creek, 13.1 N 4.5 W Yellow Pine.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT74 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

74 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 multi-beam bridge.

Built200323 years old
Length74.1 ft22.6 m
Daily traffic15counted 2023
Last inspectedAugust 2024every 48 months

Location

StateIdaho
CountyValley
Location13.1 N 4.5 W Yellow Pine
CarriesElk Summit RD
CrossesLower Elk Creek
Coordinates45.15289, -115.58414

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length74.1 ft (22.6 m)
Max Span69.9 ft (21.3 m)
Deck Width19.4 ft (5.9 m)
Deck Area133.3 sq m
Main Spans1
Year Built2003

Traffic

Avg Daily Traffic15 (2023)
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000033610

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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