US Bridges

W Wash ST over Salem Ditch

Poor

Marion County, Oregon · 03 E of Wilco RD No 32 · Structure no. 47B007003200000

Built
1975
50 years old
Condition
Poor
inspected August 2024
Type
Slab
Prestressed Concrete
Length
48 ft
2 main spans
Daily traffic
6,466
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Wash ST over Salem Ditch is a prestressed concrete slab carrying W Wash ST over Salem Ditch in Marion County, Oregon. It was built in 1975, so it is 50 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,466 vehicles a day, roughly 10% of them trucks, projected to reach 7,416 by 2025. The structure is 48 ft (14.6 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesW Wash ST
CrossesSalem Ditch
Location03 E of Wilco RD No 32
RouteCity Street A0566
CountyMarion County
StateOregon
Coordinates44.79984, -122.80978
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span22 ft (6.7 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,466 (2020)
Projected traffic7,416 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W Wash ST over Salem Ditch built?

It was built in 1975, making it 50 years old in 2025.

What condition is W Wash ST over Salem Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does W Wash ST over Salem Ditch carry?

About 6,466 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is W Wash ST over Salem Ditch?

The structure is 48 ft (14.6 m) long with a longest span of 22 ft (6.7 m) and a deck 48 ft wide.

Who owns W Wash ST over Salem Ditch?

It is owned by the City or Municipal Highway Agency.