US Bridges

212 TH ST NE over Portage Creek

Good

Snohomish County, Washington · 0.4 MI W JCT SR530 · Structure no. 085764000000000

Built
1990
35 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
129 ft
1 main span
Daily traffic
1,330
2022 count
Owner
County
County Highway Agency

About this bridge

212 TH ST NE over Portage Creek is a prestressed concrete stringer/multi-beam or girder carrying 212 TH ST NE over Portage Creek in Snohomish County, Washington. It was built in 1990, so it is 35 years old, younger 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 1,330 vehicles a day, roughly 18% of them trucks, projected to reach 2,000 by 2046. The structure is 129 ft (39.3 m) long and 37 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Carries212 TH ST NE
CrossesPortage Creek
Location0.4 MI W JCT SR530
RouteCounty Highway 96843
Coordinates48.18824, -122.23377
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length129 ft (39.3 m)
Longest span125 ft (38.1 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,330 (2022)
Projected traffic2,000 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 212 TH ST NE over Portage Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is 212 TH ST NE over Portage Creek 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 August 2024.

How much traffic does 212 TH ST NE over Portage Creek carry?

About 1,330 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is 212 TH ST NE over Portage Creek?

The structure is 129 ft (39.3 m) long with a longest span of 125 ft (38.1 m) and a deck 37 ft wide.

Who owns 212 TH ST NE over Portage Creek?

It is owned by the County Highway Agency.