US Bridges

Drayton Harbor RD over California CR

Fair

Whatcom County, Washington · 00.1 W. Blaine Rd. · Structure no. 082367000000000

Built
1933
92 years old, rebuilt 1950
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
104 ft
5 main spans
Daily traffic
5,920
2023 count
Owner
County
County Highway Agency

About this bridge

Drayton Harbor RD over California CR is a concrete slab carrying Drayton Harbor RD over California CR in Whatcom County, Washington. It was built in 1933 and reconstructed in 1950, so it is 92 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 5,920 vehicles a day, roughly 5% of them trucks, projected to reach 7,000 by 2043. The structure is 104 ft (31.7 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesDrayton Harbor RD
CrossesCalifornia CR
Location00.1 W. Blaine Rd.
RouteCounty Highway 20350
CountyWhatcom County
StateWashington
Coordinates48.96214, -122.7329
Functional classRural Major 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
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length104 ft (31.7 m)
Longest span22 ft (6.7 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,920 (2023)
Projected traffic7,000 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$4.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Drayton Harbor RD over California CR built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1950.

What condition is Drayton Harbor RD over California 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 February 2023.

How much traffic does Drayton Harbor RD over California CR carry?

About 5,920 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Drayton Harbor RD over California CR?

The structure is 104 ft (31.7 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns Drayton Harbor RD over California CR?

It is owned by the County Highway Agency.