Structure 5217A0000000 · Klickitat County, WA

US 97 over Little Klickitat River

Carries US 97 over Little Klickitat River, 1.3 N Jct SR 142.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT172 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

172 ft end to end, longest span 68 ft: about 2 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.

Built195670 years old
Length171.9 ft52.4 m
Daily traffic5,532counted 2023
Last inspectedMay 2024every 24 months

Location

StateWashington
CountyKlickitat
Location1.3 N Jct SR 142
CarriesUS 97
CrossesLittle Klickitat River
Coordinates45.84389, -120.79636

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length171.9 ft (52.4 m)
Max Span67.9 ft (20.7 m)
Deck Width32.2 ft (9.8 m)
Deck Area513.5 sq m
Main Spans3
Year Built1956

Traffic

Avg Daily Traffic5,532 (2023)
Truck Traffic22%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number0005217A0000000

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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