Structure 82368000000000 · Skamania County, WA

Skamania Mines RD over West Fork Washougal Rive

Carries Skamania Mines RD over West Fork Washougal Rive, 1.33 N Jct Skye RD.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT84 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

84 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 tee-beam bridge.

Built197749 years old
Length84.0 ft25.6 m
Daily traffic114counted 2024
Last inspectedJune 2024every 24 months

Location

StateWashington
CountySkamania
Location1.33 N Jct Skye RD
CarriesSkamania Mines RD
CrossesWest Fork Washougal Rive
Coordinates45.66306, -122.23917

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length84.0 ft (25.6 m)
Max Span80.1 ft (24.4 m)
Deck Width29.9 ft (9.1 m)
Deck Area233.0 sq m
Main Spans1
Year Built1977

Traffic

Avg Daily Traffic114 (2024)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical9 — Foundation above flood level
Structure Number082368000000000

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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