Structure 22001 039 05581 · Yamhill County, OR

Or 18 (hwy 39) over HWY 1w And Pnwr

Carries Or 18 (hwy 39) over HWY 1w And Pnwr, Mp 55.81.

Overall conditionGood

Set by its lowest-rated component: Deck at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructure9/9 · Excellent
Substructure9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT810 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 9/9

810 ft end to end, longest span 130 ft: about 2.3 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.

Built201610 years old
Length810.0 ft246.9 m
Daily traffic11,914counted 2022
Last inspectedNovember 2024every 24 months

Location

StateOregon
CountyYamhill
LocationMp 55.81
CarriesOr 18 (hwy 39)
CrossesHWY 1w And Pnwr
Coordinates45.27130, -123.01621

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length810.0 ft (246.9 m)
Max Span129.9 ft (39.6 m)
Deck Width42.3 ft (12.9 m)
Deck Area3185.0 sq m
Main Spans6
Year Built2016

Traffic

Avg Daily Traffic11,914 (2022)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number22001 039 05581

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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