US Bridges

Grapeview Loop RD over Mclane Cove

Good

Mason County, Washington · 2.45 E JCT SR 3 · Structure no. 087604000000000

Built
2008
17 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
110 ft
1 main span
Daily traffic
835
2020 count
Owner
County
County Highway Agency

About this bridge

Grapeview Loop RD over Mclane Cove is a prestressed concrete stringer/multi-beam or girder carrying Grapeview Loop RD over Mclane Cove in Mason County, Washington. It was built in 2008, so it is 17 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 835 vehicles a day, roughly 10% of them trucks, projected to reach 1,200 by 2040. The structure is 110 ft (33.5 m) long and 37 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesGrapeview Loop RD
CrossesMclane Cove
Location2.45 E JCT SR 3
RouteCounty Highway 96140
Coordinates47.31603, -122.86772
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length110 ft (33.5 m)
Longest span106 ft (32.3 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic835 (2020)
Projected traffic1,200 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Grapeview Loop RD over Mclane Cove built?

It was built in 2008, making it 17 years old in 2025.

What condition is Grapeview Loop RD over Mclane Cove 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 April 2024.

How much traffic does Grapeview Loop RD over Mclane Cove carry?

About 835 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Grapeview Loop RD over Mclane Cove?

The structure is 110 ft (33.5 m) long with a longest span of 106 ft (32.3 m) and a deck 37 ft wide.

Who owns Grapeview Loop RD over Mclane Cove?

It is owned by the County Highway Agency.