Structure 61804000001689 · Marion County, OR

Road over Breitenbush R

Carries Road over Breitenbush R, 3.8 M NE Jct 22-fs 46.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT163 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 7/9

163 ft end to end: about 2 semi-trucks nose to tail. 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 rigid-frame bridge.

Built195571 years old
Length163.1 ft49.7 m
Daily traffic1252 lanes
Last inspectedSeptember 2023every 24 months

Location

StateOregon
CountyMarion
Location3.8 M NE Jct 22-fs 46
CarriesRoad
CrossesBreitenbush R
Coordinates44.76753, -122.09496

Physical Characteristics

MaterialConcrete Continuous
DesignFrame
Total Length163.1 ft (49.7 m)
Max Span75.1 ft (22.9 m)
Deck Width30.8 ft (9.4 m)
Deck Area467.2 sq m
Main Spans1
Year Built1955

Traffic

Avg Daily Traffic125
Truck Traffic25%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number061804000001689

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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