Structure 22877 000 00000 · Clackamas County, OR

SE Washington ST over Kellogg Creek

Carries SE Washington ST over Kellogg Creek, East Bound Off Of HWY 081.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT115 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

115 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.

Built20188 years old
Length115.2 ft35.1 m
Daily traffic90counted 2010
Last inspectedMay 2023every 24 months

Location

StateOregon
CountyClackamas
LocationEast Bound Off Of HWY 081
CarriesSE Washington ST
CrossesKellogg Creek
Coordinates45.44180, -122.64220

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length115.2 ft (35.1 m)
Max Span115.2 ft (35.1 m)
Deck Width35.1 ft (10.7 m)
Deck Area375.6 sq m
Main Spans1
Year Built2018

Traffic

Avg Daily Traffic90 (2010)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number22877 000 00000

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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