US Bridges

Exp N to 42nd Ramp over Pasadena Pl NE

Good

King County, Washington · 4.6 N JCT I-90 · Structure no. 0006085A0000000

Built
1962
63 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
273 ft
4 main spans
Daily traffic
2,542
2022 count
Owner
State
State Highway Agency

About this bridge

Exp N to 42nd Ramp over Pasadena Pl NE is a concrete continuous box beam or girders - multiple carrying Exp N to 42nd Ramp over Pasadena Pl NE in King County, Washington. It was built in 1962, so it is 63 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,542 vehicles a day, roughly 1% of them trucks, projected to reach 4,456 by 2039. The structure is 273 ft (83.2 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesExp N to 42nd Ramp
CrossesPasadena Pl NE
Location4.6 N JCT I-90
RouteInterstate 5
Coordinates47.65678, -122.32194
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
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

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length273 ft (83.2 m)
Longest span104 ft (31.7 m)
Deck width27 ft (8.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,542 (2022)
Projected traffic4,456 by 2039
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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$3.1 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Exp N to 42nd Ramp over Pasadena Pl NE built?

It was built in 1962, making it 63 years old in 2025.

What condition is Exp N to 42nd Ramp over Pasadena Pl NE in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Exp N to 42nd Ramp over Pasadena Pl NE carry?

About 2,542 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Exp N to 42nd Ramp over Pasadena Pl NE?

The structure is 273 ft (83.2 m) long with a longest span of 104 ft (31.7 m) and a deck 27 ft wide.

Who owns Exp N to 42nd Ramp over Pasadena Pl NE?

It is owned by the State Highway Agency.