US Bridges

Point Lawrence RD over Buck Bay

Good

San Juan County, Washington · Orcas Island · Structure no. 088382000000000

Built
2011
14 years old
Condition
Good
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
939
2024 count
Owner
County
County Highway Agency

About this bridge

Point Lawrence RD over Buck Bay is a prestressed concrete channel beam carrying Point Lawrence RD over Buck Bay in San Juan County, Washington. It was built in 2011, so it is 14 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 939 vehicles a day, roughly 6% of them trucks, projected to reach 960 by 2046. The structure is 44 ft (13.4 m) long and 28 ft wide.

CarriesPoint Lawrence RD
CrossesBuck Bay
LocationOrcas Island
RouteCounty Highway 63
Coordinates48.62239, -122.83194
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating58 US tons
Inventory rating45 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic939 (2024)
Projected traffic960 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$1.9 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Point Lawrence RD over Buck Bay built?

It was built in 2011, making it 14 years old in 2025.

What condition is Point Lawrence RD over Buck Bay in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Point Lawrence RD over Buck Bay carry?

About 939 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Point Lawrence RD over Buck Bay?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Point Lawrence RD over Buck Bay?

It is owned by the County Highway Agency.