US Bridges

Pine St-Boren Ave over I-5

Good

King County, Washington · 1.6 N JCT I-90 · Structure no. 0007409D0000000

Built
1965
60 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
825 ft
10 main spans
Daily traffic
24,000
2018 count
Owner
State
State Highway Agency

About this bridge

Pine St-Boren Ave over I-5 is a concrete continuous box beam or girders - multiple carrying Pine St-Boren Ave over I-5 in King County, Washington. It was built in 1965, so it is 60 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 24,000 vehicles a day, roughly 5% of them trucks, projected to reach 35,000 by 2038. The structure is 825 ft (251.5 m) long and 61 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPine St-Boren Ave
CrossesI-5
Location1.6 N JCT I-90
RouteCity Street 0
CountyKing County
StateWashington
Coordinates47.61417, -122.33056
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating21.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20
Structure length825 ft (251.5 m)
Longest span122 ft (37.2 m)
Deck width61 ft (18.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2018)
Projected traffic35,000 by 2038
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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$20.8 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pine St-Boren Ave over I-5 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Pine St-Boren Ave over I-5 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 April 2023.

How much traffic does Pine St-Boren Ave over I-5 carry?

About 24,000 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Pine St-Boren Ave over I-5?

The structure is 825 ft (251.5 m) long with a longest span of 122 ft (37.2 m) and a deck 61 ft wide.

Who owns Pine St-Boren Ave over I-5?

It is owned by the State Highway Agency.