US Bridges

Buck Island Road over Woods Creek

Good

Snohomish County, Washington · 0.32 E Main ST · Structure no. 085889000000000

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
200
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Buck Island Road over Woods Creek is a prestressed concrete tee beam carrying Buck Island Road over Woods Creek in Snohomish County, Washington. It was built in 1991, so it is 34 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 300 by 2043. The structure is 74 ft (22.5 m) long and 27 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBuck Island Road
CrossesWoods Creek
Location0.32 E Main ST
RouteCity Street 790
Coordinates47.85528, -121.96272
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length74 ft (22.5 m)
Longest span70 ft (21.3 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2021)
Projected traffic300 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Buck Island Road over Woods Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Buck Island Road over Woods 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 June 2023.

How much traffic does Buck Island Road over Woods Creek carry?

About 200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Buck Island Road over Woods Creek?

The structure is 74 ft (22.5 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.

Who owns Buck Island Road over Woods Creek?

It is owned by the City or Municipal Highway Agency.