US Bridges

Padden Parkway over I-205

Fair

Clark County, Washington · 2.1 N JCT SR 500 · Structure no. 0009241A0000000

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
448 ft
2 main spans
Daily traffic
15,039
2012 count
Owner
State
State Highway Agency

About this bridge

Padden Parkway over I-205 is a prestressed concrete continuous box beam or girders - multiple carrying Padden Parkway over I-205 in Clark County, Washington. It was built in 1974, so it is 51 years old, older than the Washington average of 49.8 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 15,039 vehicles a day, roughly 10% of them trucks, projected to reach 24,784 by 2036. The structure is 448 ft (136.6 m) long and 41 ft wide.

CarriesPadden Parkway
CrossesI-205
Location2.1 N JCT SR 500
RouteCounty Highway 0
Coordinates45.68275, -122.59425
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length448 ft (136.6 m)
Longest span165 ft (50.3 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,039 (2012)
Projected traffic24,784 by 2036
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$10.6 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Padden Parkway over I-205 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Padden Parkway over I-205 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 October 2023.

How much traffic does Padden Parkway over I-205 carry?

About 15,039 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is Padden Parkway over I-205?

The structure is 448 ft (136.6 m) long with a longest span of 165 ft (50.3 m) and a deck 41 ft wide.

Who owns Padden Parkway over I-205?

It is owned by the State Highway Agency.