Structure 5054 026 00077 · Multnomah County, OR

HWY 026 over Willamette River/oprr

Carries HWY 026 over Willamette River/oprr, In SE Portland.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT3,653 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

3,653 ft end to end, longest span 535 ft: about 10 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 deck truss.

Built1926rebuilt 2000
Length3652.9 ft1113.4 m
Daily traffic46,572counted 2022
Last inspectedJune 2023every 24 months

Location

StateOregon
CountyMultnomah
LocationIn SE Portland
CarriesHWY 026
CrossesWillamette River/oprr
Coordinates45.50127, -122.66726

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Deck
Total Length3652.9 ft (1113.4 m)
Max Span535.1 ft (163.1 m)
Deck Width51.8 ft (15.8 m)
Deck Area17591.7 sq m
Main Spans5
Year Built1926 (reconstructed 2000)

Traffic

Avg Daily Traffic46,572 (2022)
Truck Traffic1%
Lanes On Bridge4
Lanes Under Bridge16

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number05054 026 00077

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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