Structure 16966 047 06567 · Washington County, OR

Bethany Blvd. over HWY 47 (us 26)

Carries Bethany Blvd. over HWY 47 (us 26), 8.8 Mi W Of Portland Cc.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT260 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

260 ft end to end, longest span 130 ft: about 4 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 multi-beam bridge.

Built199135 years old
Length259.8 ft79.2 m
Daily traffic19,307counted 2022
Last inspectedOctober 2024every 24 months

Location

StateOregon
CountyWashington
Location8.8 Mi W Of Portland Cc
CarriesBethany Blvd.
CrossesHWY 47 (us 26)
Coordinates45.53237, -122.84236

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length259.8 ft (79.2 m)
Max Span129.9 ft (39.6 m)
Deck Width101.0 ft (30.8 m)
Deck Area2439.4 sq m
Main Spans2
Year Built1991

Traffic

Avg Daily Traffic19,307 (2022)
Truck Traffic3%
Lanes On Bridge3
Lanes Under Bridge6

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number16966 047 06567

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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