Structure 5419A037 · Marion County, OR

Rambler DR SE over Little Pudding River

Carries Rambler DR SE over Little Pudding River, 00.5 West Of 75th AVE.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,576 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

1,576 ft end to end, longest span 19 ft: about 4.4 football fields. Lengths and the semi-truck 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.

Built196363 years old
Length1576.1 ft480.4 m
Daily traffic5,800counted 2018
Last inspectedSeptember 2024every 12 months

Location

StateOregon
CountyMarion
Location00.5 West Of 75th AVE
CarriesRambler DR SE
CrossesLittle Pudding River
Coordinates45.04540, -122.89520

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length1576.1 ft (480.4 m)
Max Span19.0 ft (5.8 m)
Deck Width29.2 ft (8.9 m)
Deck Area4275.6 sq m
Main Spans83
Year Built1963

Traffic

Avg Daily Traffic5,800 (2018)
Truck Traffic21%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number05419A037

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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