Structure 15C004018400430 · Curry County, OR

Sixes River RD over Edson Creek

Carries Sixes River RD over Edson Creek, 4.3 Mi E HWY 101.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT101 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

101 ft end to end, longest span 60 ft. 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 tee-beam bridge.

Built1955rebuilt 1965
Length101.0 ft30.8 m
Daily traffic590counted 2020
Last inspectedJuly 2024every 12 months

Location

StateOregon
CountyCurry
Location4.3 Mi E HWY 101
CarriesSixes River RD
CrossesEdson Creek
Coordinates42.81494, -124.41184

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length101.0 ft (30.8 m)
Max Span60.0 ft (18.3 m)
Deck Width30.5 ft (9.3 m)
Deck Area286.4 sq m
Main Spans3
Year Built1955 (reconstructed 1965)

Traffic

Avg Daily Traffic590 (2020)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number15C004018400430

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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