US Bridges

Pangborn RD over Fish Trap CR

Fair

Whatcom County, Washington · 0.1 W Assink Rd. · Structure no. 080901000000000

Built
1954
71 years old, rebuilt 1998
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
38 ft
2 main spans
Daily traffic
700
2024 count
Owner
County
County Highway Agency

About this bridge

Pangborn RD over Fish Trap CR is a concrete channel beam carrying Pangborn RD over Fish Trap CR in Whatcom County, Washington. It was built in 1954 and reconstructed in 1998, so it is 71 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 700 vehicles a day, roughly 6% of them trucks, projected to reach 900 by 2046. The structure is 38 ft (11.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPangborn RD
CrossesFish Trap CR
Location0.1 W Assink Rd.
RouteCounty Highway 60960
Coordinates48.97884, -122.42947
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating27.4 US tons
Inventory rating21.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans2
Design loadH 20
Structure length38 ft (11.6 m)
Longest span19 ft (5.8 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2024)
Projected traffic900 by 2046
Trucks6%
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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pangborn RD over Fish Trap CR built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1998.

What condition is Pangborn RD over Fish Trap 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 October 2024.

How much traffic does Pangborn RD over Fish Trap CR carry?

About 700 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Pangborn RD over Fish Trap CR?

The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns Pangborn RD over Fish Trap CR?

It is owned by the County Highway Agency.