Structure 14814A8T3 00084 · Lane County, OR

River RD over Silk Creek

Carries River RD over Silk Creek, 0084 M N Goshen Divide.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
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 6/9Superstructure 6/9Substructure 6/9

93 ft end to end, longest span 36 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 slab bridge.

Built195967 years old
Length92.8 ft28.3 m
Daily traffic2,869counted 2020
Last inspectedSeptember 2024every 24 months

Location

StateOregon
CountyLane
Location0084 M N Goshen Divide
CarriesRiver RD
CrossesSilk Creek
Coordinates43.79541, -123.06860

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length92.8 ft (28.3 m)
Max Span36.1 ft (11 m)
Deck Width38.4 ft (11.7 m)
Deck Area331.1 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic2,869 (2020)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number14814A8T3 00084

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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