US Bridges

Bourgault RD over Weaver Creek

Fair

Mason County, Washington · 0.03 W JCT SR101 · Structure no. 081851000000000

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
49 ft
1 main span
Daily traffic
73
2020 count
Owner
County
County Highway Agency

About this bridge

Bourgault RD over Weaver Creek is a concrete tee beam carrying Bourgault RD over Weaver Creek in Mason County, Washington. It was built in 1966, so it is 59 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 73 vehicles a day, roughly 10% of them trucks, projected to reach 150 by 2040. The structure is 49 ft (14.9 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBourgault RD
CrossesWeaver Creek
Location0.03 W JCT SR101
RouteCounty Highway 41960
Coordinates47.30608, -123.17928
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating22.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans1
Design loadHS 15
Structure length49 ft (14.9 m)
Longest span47 ft (14.3 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2020)
Projected traffic150 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$3,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bourgault RD over Weaver Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Bourgault RD over Weaver Creek 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 Bourgault RD over Weaver Creek carry?

About 73 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Bourgault RD over Weaver Creek?

The structure is 49 ft (14.9 m) long with a longest span of 47 ft (14.3 m) and a deck 27 ft wide.

Who owns Bourgault RD over Weaver Creek?

It is owned by the County Highway Agency.