US Bridges

Loomis Trail RD over Bertrand CR

FairPosted for load

Whatcom County, Washington · 00.6 W Berthusen RD · Structure no. 081682000000000

Built
1938
87 years old, rebuilt 1953
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
126 ft
5 main spans
Daily traffic
1,839
2024 count
Owner
County
County Highway Agency

About this bridge

Loomis Trail RD over Bertrand CR is a concrete slab carrying Loomis Trail RD over Bertrand CR in Whatcom County, Washington. It was built in 1938 and reconstructed in 1953, so it is 87 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 1,839 vehicles a day, roughly 5% of them trucks, projected to reach 2,200 by 2042. The structure is 126 ft (38.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLoomis Trail RD
CrossesBertrand CR
Location00.6 W Berthusen RD
RouteCounty Highway 26502
Coordinates48.9499, -122.52087
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length126 ft (38.4 m)
Longest span22 ft (6.7 m)
Deck width33 ft (10.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,839 (2024)
Projected traffic2,200 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$4.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Loomis Trail RD over Bertrand CR built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1953.

What condition is Loomis Trail RD over Bertrand 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 April 2024.

How much traffic does Loomis Trail RD over Bertrand CR carry?

About 1,839 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Loomis Trail RD over Bertrand CR?

The structure is 126 ft (38.4 m) long with a longest span of 22 ft (6.7 m) and a deck 33 ft wide.

Who owns Loomis Trail RD over Bertrand CR?

It is owned by the County Highway Agency.