US Bridges

Milwaukie Ave over HWY 081

Fair

Multnomah County, Oregon · 3.0 MI SE Portland Cc · Structure no. 02237A01E 00262

Built
1968
57 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
185 ft
1 main span
Daily traffic
49,500
2018 count
Owner
State
State Highway Agency

About this bridge

Milwaukie Ave over HWY 081 is a steel stringer/multi-beam or girder carrying Milwaukie Ave over HWY 081 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 49,500 vehicles a day, roughly 4% of them trucks, projected to reach 54,300 by 2038. The structure is 185 ft (56.4 m) long and 60 ft wide.

CarriesMilwaukie Ave
CrossesHWY 081
Location3.0 MI SE Portland Cc
RouteCity Street 99
StateOregon
Coordinates45.48731, -122.65034
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span185 ft (56.4 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,500 (2018)
Projected traffic54,300 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Milwaukie Ave over HWY 081 built?

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

What condition is Milwaukie Ave over HWY 081 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 January 2025.

How much traffic does Milwaukie Ave over HWY 081 carry?

About 49,500 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Milwaukie Ave over HWY 081?

The structure is 185 ft (56.4 m) long with a longest span of 185 ft (56.4 m) and a deck 60 ft wide.

Who owns Milwaukie Ave over HWY 081?

It is owned by the State Highway Agency.