Structure 17081 · Shoshone County, ID

I 90 Wbl over Pinehurst Road Gs

Carries I 90 Wbl over Pinehurst Road Gs, 4.7 W. Kellogg.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT291 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 8/9

291 ft end to end, longest span 72 ft: about 4 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 multi-beam bridge.

Built201511 years old
Length291.0 ft88.7 m
Daily traffic8,500counted 2023
Last inspectedJuly 2021every 48 months

Location

StateIdaho
CountyShoshone
Location4.7 W. Kellogg
CarriesI 90 Wbl
CrossesPinehurst Road Gs
Coordinates47.54802, -116.22114

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length291.0 ft (88.7 m)
Max Span71.9 ft (21.9 m)
Deck Width51.8 ft (15.8 m)
Deck Area1401.5 sq m
Main Spans4
Year Built2015

Traffic

Avg Daily Traffic8,500 (2023)
Truck Traffic19%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJuly 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000000017081

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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