US Bridges

SW Morrison over HWY 61

Fair

Multnomah County, Oregon · 0.1 MI N of Taylor ST · Structure no. 09283 061 00207

Built
1968
57 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
154 ft
2 main spans
Daily traffic
40,751
2020 count
Owner
State
State Highway Agency

About this bridge

SW Morrison over HWY 61 is a concrete continuous box beam or girders - multiple carrying SW Morrison 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 40,751 vehicles a day, roughly 11% of them trucks, projected to reach 58,800 by 2040. The structure is 154 ft (47 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSW Morrison
CrossesHWY 61
Location0.1 MI N of Taylor ST
RouteCity Street 0
CountyMultnomah County
StateOregon
Coordinates45.52095, -122.68565
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.4 US tons
Inventory rating15.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length154 ft (47 m)
Longest span78 ft (23.7 m)
Deck width60 ft (18.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,751 (2020)
Projected traffic58,800 by 2040
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and railroad
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 SW Morrison over HWY 61 built?

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

What condition is SW Morrison 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 SW Morrison over HWY 61 carry?

About 40,751 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is SW Morrison over HWY 61?

The structure is 154 ft (47 m) long with a longest span of 78 ft (23.7 m) and a deck 60 ft wide.

Who owns SW Morrison over HWY 61?

It is owned by the State Highway Agency.