US Bridges

Assink RD over Fishtrap CR

FairPosted for load

Whatcom County, Washington · 00.1 MI N Pangborn · Structure no. 080126000000000

Built
1949
76 years old, rebuilt 1974
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
195
2022 count
Owner
County
County Highway Agency

About this bridge

Assink RD over Fishtrap CR is a concrete channel beam carrying Assink RD over Fishtrap CR in Whatcom County, Washington. It was built in 1949 and reconstructed in 1974, so it is 76 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. Its operating status is: posted for load restriction.

It carries about 195 vehicles a day, roughly 5% of them trucks, projected to reach 210 by 2044. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAssink RD
CrossesFishtrap CR
Location00.1 MI N Pangborn
RouteCounty Highway 61050
Coordinates48.97993, -122.42925
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: 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 rating25 US tons
Inventory rating18 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic195 (2022)
Projected traffic210 by 2044
Trucks5%
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$1.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Assink RD over Fishtrap CR built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1974.

What condition is Assink RD over Fishtrap CR 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 September 2024.

How much traffic does Assink RD over Fishtrap CR carry?

About 195 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Assink RD over Fishtrap CR?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns Assink RD over Fishtrap CR?

It is owned by the County Highway Agency.