US Bridges

I-5 over 212th ST SW

Fair

Snohomish County, Washington · 2.2 N JCT SR 104 · Structure no. 0007071F0000000

Built
1963
62 years old, rebuilt 1993
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
278 ft
3 main spans
Daily traffic
98,485
2023 count
Owner
State
State Highway Agency

About this bridge

I-5 over 212th ST SW is a prestressed concrete stringer/multi-beam or girder carrying I-5 over 212th ST SW in Snohomish County, Washington. It was built in 1963 and reconstructed in 1993, so it is 62 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 98,485 vehicles a day, roughly 5% of them trucks, projected to reach 151,410 by 2039. The structure is 278 ft (84.7 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-5
Crosses212th ST SW
Location2.2 N JCT SR 104
RouteInterstate 5
Coordinates47.80633, -122.30692
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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
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 rating40 US tons
Inventory rating24 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length278 ft (84.7 m)
Longest span107 ft (32.6 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98,485 (2023)
Projected traffic151,410 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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.2 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-5 over 212th ST SW built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1993.

What condition is I-5 over 212th ST SW 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 January 2024.

How much traffic does I-5 over 212th ST SW carry?

About 98,485 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is I-5 over 212th ST SW?

The structure is 278 ft (84.7 m) long with a longest span of 107 ft (32.6 m) and a deck 71 ft wide.

Who owns I-5 over 212th ST SW?

It is owned by the State Highway Agency.