US Bridges

Departure Roadway over Pdx Main Terminal

Fair

Multnomah County, Oregon · Pdx · Structure no. 21282 000 00000

Built
1973
52 years old, rebuilt 2001
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,505 ft
28 main spans
Daily traffic
1,309
2020 count
Owner
Local
Other Local Agency

About this bridge

Departure Roadway over Pdx Main Terminal is a steel stringer/multi-beam or girder carrying Departure Roadway over Pdx Main Terminal in Multnomah County, Oregon. It was built in 1973 and reconstructed in 2001, so it is 52 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 1,309 vehicles a day, roughly 2% of them trucks, projected to reach 1,444 by 2025. The structure is 1,505 ft (458.7 m) long and 124 ft wide.

CarriesDeparture Roadway
CrossesPdx Main Terminal
LocationPdx
StateOregon
Coordinates45.58891, -122.59272
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 rating23.9 US tons
Inventory rating18.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans28
Design loadHS 20
Structure length1,505 ft (458.7 m)
Longest span68 ft (20.7 m)
Deck width124 ft (37.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,309 (2020)
Projected traffic1,444 by 2025
Trucks2%
Lanes on structure8
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$19.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Departure Roadway over Pdx Main Terminal built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2001.

What condition is Departure Roadway over Pdx Main Terminal 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 March 2024.

How much traffic does Departure Roadway over Pdx Main Terminal carry?

About 1,309 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Departure Roadway over Pdx Main Terminal?

The structure is 1,505 ft (458.7 m) long with a longest span of 68 ft (20.7 m) and a deck 124 ft wide.

Who owns Departure Roadway over Pdx Main Terminal?

It is owned by the Other Local Agency.