US Bridges

Lindsay RD over Sumas River

FairPosted for load

Whatcom County, Washington · 01.0 W Garrison Rd. · Structure no. 082665000000000

Built
1956
69 years old, rebuilt 1992
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
76 ft
4 main spans
Daily traffic
267
2021 count
Owner
County
County Highway Agency

About this bridge

Lindsay RD over Sumas River is a concrete channel beam carrying Lindsay RD over Sumas River in Whatcom County, Washington. It was built in 1956 and reconstructed in 1992, so it is 69 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 267 vehicles a day, roughly 2% of them trucks, projected to reach 325 by 2043. The structure is 76 ft (23.2 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLindsay RD
CrossesSumas River
Location01.0 W Garrison Rd.
RouteCounty Highway 63260
CountyWhatcom County
StateWashington
Coordinates48.94921, -122.30866
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating24.3 US tons
Inventory rating18.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckOther
Main spans4
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span18 ft (5.4 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic267 (2021)
Projected traffic325 by 2043
Trucks2%
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$3.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Lindsay RD over Sumas River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1992.

What condition is Lindsay RD over Sumas River 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 November 2023.

How much traffic does Lindsay RD over Sumas River carry?

About 267 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Lindsay RD over Sumas River?

The structure is 76 ft (23.2 m) long with a longest span of 18 ft (5.4 m) and a deck 26 ft wide.

Who owns Lindsay RD over Sumas River?

It is owned by the County Highway Agency.