US Bridges

233rd Pl S.E. over Bear Creek

Fair

Snohomish County, Washington · 0.1 W JCT SR 9 · Structure no. 084566000000000

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
30 ft
1 main span
Daily traffic
4,650
2019 count
Owner
County
County Highway Agency

About this bridge

233rd Pl S.E. over Bear Creek is a concrete channel beam carrying 233rd Pl S.E. over Bear Creek in Snohomish County, Washington. It was built in 1973, so it is 52 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 4,650 vehicles a day, roughly 30% of them trucks, projected to reach 7,500 by 2045. The structure is 30 ft (9.2 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries233rd Pl S.E.
CrossesBear Creek
Location0.1 W JCT SR 9
RouteCounty Highway 16114
Coordinates47.78552, -122.14507
Functional classUrban Local

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 15
Structure length30 ft (9.2 m)
Longest span28 ft (8.6 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,650 (2019)
Projected traffic7,500 by 2045
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 233rd Pl S.E. over Bear Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is 233rd Pl S.E. over Bear Creek 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 October 2023.

How much traffic does 233rd Pl S.E. over Bear Creek carry?

About 4,650 vehicles per day (2019 count), of which roughly 30% are trucks.

How long is 233rd Pl S.E. over Bear Creek?

The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.6 m) and a deck 29 ft wide.

Who owns 233rd Pl S.E. over Bear Creek?

It is owned by the County Highway Agency.