Structure 12159A0000000 · Klickitat County, WA

SR 142 over Little Klickitat River

Carries SR 142 over Little Klickitat River, 33.5 E Jct SR 14.

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 FT111 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

111 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 multi-beam bridge.

Built198244 years old
Length110.9 ft33.8 m
Daily traffic2,124counted 2023
Last inspectedMay 2024every 24 months

Location

StateWashington
CountyKlickitat
Location33.5 E Jct SR 14
CarriesSR 142
CrossesLittle Klickitat River
Coordinates45.82411, -120.83781

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length110.9 ft (33.8 m)
Max Span105.0 ft (32 m)
Deck Width35.1 ft (10.7 m)
Deck Area361.7 sq m
Main Spans1
Year Built1982

Traffic

Avg Daily Traffic2,124 (2023)
Truck Traffic14%
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 Critical5 — Stable for scour
Structure Number0012159A0000000

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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