Structure 24141 001 29604 · Multnomah County, OR

I-5 (hwy 001) over SW 26th AVE

Carries I-5 (hwy 001) over SW 26th AVE, 1.0 Mi N Of Barbur BLVD.

Overall conditionGood

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

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT54 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

54 ft end to end. Lengths and the car 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 slab bridge.

Built20242 years old
Length53.8 ft16.4 m
Daily traffic111,005counted 2022
Last inspectedJuly 2024every 24 months

Location

StateOregon
CountyMultnomah
Location1.0 Mi N Of Barbur BLVD
CarriesI-5 (hwy 001)
CrossesSW 26th AVE
Coordinates45.46074, -122.70406

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length53.8 ft (16.4 m)
Max Span53.8 ft (16.4 m)
Deck Width119.4 ft (36.4 m)
Deck Area597.0 sq m
Main Spans1
Year Built2024

Traffic

Avg Daily Traffic111,005 (2022)
Truck Traffic10%
Lanes On Bridge6
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number24141 001 29604

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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