US Bridges

Burnside ST over HWY 61

Fair

Multnomah County, Oregon · 0.2 MI N of SW Yamhill · Structure no. 09281 061 00220

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
160 ft
2 main spans
Daily traffic
81,503
2020 count
Owner
State
State Highway Agency

About this bridge

Burnside ST over HWY 61 is a prestressed concrete continuous box beam or girders - multiple carrying Burnside ST over HWY 61 in Multnomah County, Oregon. It was built in 1968, so it is 57 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 6 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 81,503 vehicles a day, roughly 11% of them trucks, projected to reach 117,600 by 2040. The structure is 160 ft (48.7 m) long and 55 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBurnside ST
CrossesHWY 61
Location0.2 MI N of SW Yamhill
RouteCity Street 405
CountyMultnomah County
StateOregon
Coordinates45.5229, -122.68594
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length160 ft (48.7 m)
Longest span93 ft (28.3 m)
Deck width55 ft (16.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81,503 (2020)
Projected traffic117,600 by 2040
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Burnside ST over HWY 61 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Burnside ST over HWY 61 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 2023.

How much traffic does Burnside ST over HWY 61 carry?

About 81,503 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Burnside ST over HWY 61?

The structure is 160 ft (48.7 m) long with a longest span of 93 ft (28.3 m) and a deck 55 ft wide.

Who owns Burnside ST over HWY 61?

It is owned by the State Highway Agency.