Structure 10345 · Clearwater County, ID

SH 11 over Quartz Creek(jaype Br)

Carries SH 11 over Quartz Creek(jaype Br), 2.6 N. Pierce.

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 overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

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

21 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built195868 years old
Length21.0 ft6.4 m
Daily traffic210counted 2023
Last inspectedMay 2024every 24 months

Location

StateIdaho
CountyClearwater
Location2.6 N. Pierce
CarriesSH 11
CrossesQuartz Creek(jaype Br)
Coordinates46.51940, -115.82830

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length21.0 ft (6.4 m)
Max Span21.0 ft (6.4 m)
Deck Width32.2 ft (9.8 m)
Deck Area62.7 sq m
Main Spans1
Year Built1958

Traffic

Avg Daily Traffic210 (2023)
Truck Traffic62%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000010345

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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