Structure 19C082008300107 · Douglas County, OR

County RD 83 over South Fork Deer Creek

Carries County RD 83 over South Fork Deer Creek, 3.6 Mi S Of Dixonville.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT93 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

93 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.

Built195571 years old
Length92.8 ft28.3 m
Daily traffic332counted 2020
Last inspectedApril 2023every 24 months

Location

StateOregon
CountyDouglas
Location3.6 Mi S Of Dixonville
CarriesCounty RD 83
CrossesSouth Fork Deer Creek
Coordinates43.17051, -123.22855

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length92.8 ft (28.3 m)
Max Span57.1 ft (17.4 m)
Deck Width22.0 ft (6.7 m)
Deck Area189.6 sq m
Main Spans1
Year Built1955

Traffic

Avg Daily Traffic332 (2020)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure Number19C082008300107

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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