Structure 60308000000074 · Skamania County, WA

No Data Entered over Canyon Creek

Carries No Data Entered over Canyon Creek, 2 Miles East Of Forest Bo.

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT120 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

120 ft end to end, longest span 80 ft. 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 rigid-frame bridge.

Built195175 years old
Length120.1 ft36.6 m
Daily traffic207counted 2018
Last inspectedAugust 2023every 24 months

Location

StateWashington
CountySkamania
Location2 Miles East Of Forest Bo
CarriesNo Data Entered
CrossesCanyon Creek
Coordinates45.91944, -122.21309

Physical Characteristics

MaterialConcrete Continuous
DesignFrame
Total Length120.1 ft (36.6 m)
Max Span80.1 ft (24.4 m)
Deck Width16.4 ft (5 m)
Deck Area183 sq m
Main Spans3
Year Built1951

Traffic

Avg Daily Traffic207 (2018)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number060308000000074

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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