US Bridges

Bollenbaugh Hillrd over West Fork Woods Creek

Fair

Snohomish County, Washington · 3.5 NE JCT SR 2 · Structure no. 083743000000000

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
1,378
2019 count
Owner
County
County Highway Agency

About this bridge

Bollenbaugh Hillrd over West Fork Woods Creek is a prestressed concrete tee beam carrying Bollenbaugh Hillrd over West Fork Woods Creek in Snohomish County, Washington. It was built in 1967, so it is 58 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 1,378 vehicles a day, roughly 13% of them trucks, projected to reach 2,500 by 2043. The structure is 60 ft (18.3 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBollenbaugh Hillrd
CrossesWest Fork Woods Creek
Location3.5 NE JCT SR 2
RouteCounty Highway 51680
Coordinates47.88167, -121.91361
Functional classRural 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
Deck7 GoodSome minor problems.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span58 ft (17.8 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,378 (2019)
Projected traffic2,500 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bollenbaugh Hillrd over West Fork Woods Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Bollenbaugh Hillrd over West Fork Woods 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 March 2023.

How much traffic does Bollenbaugh Hillrd over West Fork Woods Creek carry?

About 1,378 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is Bollenbaugh Hillrd over West Fork Woods Creek?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.8 m) and a deck 25 ft wide.

Who owns Bollenbaugh Hillrd over West Fork Woods Creek?

It is owned by the County Highway Agency.