Structure 86324000000000 · Kittitas County, WA

Burke Road over Swauk Creek

Carries Burke Road over Swauk Creek, 00.21 S US HWY 970.

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 FT74 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

74 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.

Built199630 years old
Length74.1 ft22.6 m
Daily traffic138counted 2018
Last inspectedSeptember 2023every 24 months

Location

StateWashington
CountyKittitas
Location00.21 S US HWY 970
CarriesBurke Road
CrossesSwauk Creek
Coordinates47.19993, -120.70907

Physical Characteristics

MaterialConcrete Continuous
DesignStringer/Multi-beam
Total Length74.1 ft (22.6 m)
Max Span67.9 ft (20.7 m)
Deck Width30.8 ft (9.4 m)
Deck Area212.4 sq m
Main Spans1
Year Built1996

Traffic

Avg Daily Traffic138 (2018)
Truck Traffic25%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number086324000000000

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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