US Bridges

Front Street over Fishtrap Creek

Fair

Whatcom County, Washington · 0.3 E SR539 · Structure no. 085334000000000

Built
1947
78 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
6,187
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Front Street over Fishtrap Creek is a concrete culvert carrying Front Street over Fishtrap Creek in Whatcom County, Washington. It was built in 1947, so it is 78 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 6,187 vehicles a day, roughly 10% of them trucks, projected to reach 8,500 by 2045. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFront Street
CrossesFishtrap Creek
Location0.3 E SR539
RouteCity Street 710
Coordinates48.93872, -122.47919
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 protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,187 (2023)
Projected traffic8,500 by 2045
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Front Street over Fishtrap Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is Front Street over Fishtrap 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 January 2023.

How much traffic does Front Street over Fishtrap Creek carry?

About 6,187 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Front Street over Fishtrap Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns Front Street over Fishtrap Creek?

It is owned by the City or Municipal Highway Agency.