US Bridges

Squallicum Way over Squallicum Creek

Fair

Whatcom County, Washington · Box Cul 1 Squall Wy · Structure no. 085433000000000

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
28 ft
3 main spans
Daily traffic
4,200
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Squallicum Way over Squallicum Creek is a concrete continuous culvert carrying Squallicum Way over Squallicum Creek in Whatcom County, Washington. It was built in 1970, so it is 55 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 5 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 4,200 vehicles a day, roughly 5% of them trucks, projected to reach 6,100 by 2043. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSquallicum Way
CrossesSquallicum Creek
LocationBox Cul 1 Squall Wy
RouteCity Street 86801
Coordinates48.76519, -122.50158
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2021)
Projected traffic6,100 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$585,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Squallicum Way over Squallicum Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Squallicum Way over Squallicum 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 May 2023.

How much traffic does Squallicum Way over Squallicum Creek carry?

About 4,200 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Squallicum Way over Squallicum Creek?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m).

Who owns Squallicum Way over Squallicum Creek?

It is owned by the City or Municipal Highway Agency.