US Bridges

Columbia Blvd over B-103 X NE 33rd Ave

Fair

Multnomah County, Oregon · In NE Portland · Structure no. 51C33 000 00001

Built
1963
62 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
30,302
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Columbia Blvd over B-103 X NE 33rd Ave is a concrete continuous tee beam carrying Columbia Blvd over B-103 X NE 33rd Ave in Multnomah County, Oregon. It was built in 1963, so it is 62 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 30,302 vehicles a day, roughly 20% of them trucks, projected to reach 44,334 by 2025. The structure is 101 ft (30.8 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesColumbia Blvd
CrossesB-103 X NE 33rd Ave
LocationIn NE Portland
RouteCounty Highway 9956
CountyMultnomah County
StateOregon
Coordinates45.57426, -122.63357
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span40 ft (12.2 m)
Deck width82 ft (25 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,302 (2020)
Projected traffic44,334 by 2025
Trucks20%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$517,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Columbia Blvd over B-103 X NE 33rd Ave built?

It was built in 1963, making it 62 years old in 2025.

What condition is Columbia Blvd over B-103 X NE 33rd Ave in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Columbia Blvd over B-103 X NE 33rd Ave carry?

About 30,302 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Columbia Blvd over B-103 X NE 33rd Ave?

The structure is 101 ft (30.8 m) long with a longest span of 40 ft (12.2 m) and a deck 82 ft wide.

Who owns Columbia Blvd over B-103 X NE 33rd Ave?

It is owned by the City or Municipal Highway Agency.