Structure 10176 · Benewah County, ID

SH 5 over Smrr;uprr;plummer Crk

Carries SH 5 over Smrr;uprr;plummer Crk, In Plummer.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT521 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 8/9

521 ft end to end, longest span 119 ft: about 7 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built201610 years old
Length521.0 ft158.8 m
Daily traffic2,600counted 2023
Last inspectedOctober 2022every 48 months

Location

StateIdaho
CountyBenewah
LocationIn Plummer
CarriesSH 5
CrossesSmrr;uprr;plummer Crk
Coordinates47.33528, -116.87939

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length521.0 ft (158.8 m)
Max Span119.1 ft (36.3 m)
Deck Width47.9 ft (14.6 m)
Deck Area2318.5 sq m
Main Spans5
Year Built2016

Traffic

Avg Daily Traffic2,600 (2023)
Truck Traffic23%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000010176

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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