US Bridges

I-5 over Ravenna Blvd

Fair

King County, Washington · 2.3 N JCT SR 520 · Structure no. 0006286B0000000

Built
1961
64 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,372 ft
20 main spans
Daily traffic
90,390
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 over Ravenna Blvd is a prestressed concrete stringer/multi-beam or girder carrying I-5 over Ravenna Blvd in King County, Washington. It was built in 1961, so it is 64 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 90,390 vehicles a day, roughly 5% of them trucks, projected to reach 131,406 by 2039. The structure is 1,372 ft (418.2 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-5
CrossesRavenna Blvd
Location2.3 N JCT SR 520
RouteInterstate 5
Coordinates47.67433, -122.32144
Functional classUrban Principal Arterial - Interstate

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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans20
Design loadHS 20 + Mod
Structure length1,372 ft (418.2 m)
Longest span104 ft (31.7 m)
Deck width65 ft (19.8 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90,390 (2023)
Projected traffic131,406 by 2039
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$40.4 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 over Ravenna Blvd built?

It was built in 1961, making it 64 years old in 2025.

What condition is I-5 over Ravenna Blvd 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 June 2024.

How much traffic does I-5 over Ravenna Blvd carry?

About 90,390 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is I-5 over Ravenna Blvd?

The structure is 1,372 ft (418.2 m) long with a longest span of 104 ft (31.7 m) and a deck 65 ft wide.

Who owns I-5 over Ravenna Blvd?

It is owned by the State Highway Agency.