Structure 7639A001 15181 · Douglas County, OR

Wilson RD over I-5 (hwy 001)

Carries Wilson RD over I-5 (hwy 001), 01.8 Mi N Of HWY 236 Jct.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT230 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

230 ft end to end, longest span 55 ft: about 3 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 tee-beam bridge.

Built1953rebuilt 1964
Length230.0 ft70.1 m
Daily traffic156counted 2010
Last inspectedFebruary 2023every 24 months

Location

StateOregon
CountyDouglas
Location01.8 Mi N Of HWY 236 Jct
CarriesWilson RD
CrossesI-5 (hwy 001)
Coordinates43.58016, -123.26174

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length230.0 ft (70.1 m)
Max Span55.1 ft (16.8 m)
Deck Width30.5 ft (9.3 m)
Deck Area651.9 sq m
Main Spans5
Year Built1953 (reconstructed 1964)

Traffic

Avg Daily Traffic156 (2010)
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number07639A001 15181

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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