US Bridges

Aberdeen Gardens over Wishkah River

Good

Grays Harbor County, Washington · 0.4 E JCT 94311 · Structure no. 087204000000000

Built
2004
21 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
933 ft
1 main span
Daily traffic
145
2022 count
Owner
County
County Highway Agency

About this bridge

Aberdeen Gardens over Wishkah River is a prestressed concrete continuous stringer/multi-beam or girder carrying Aberdeen Gardens over Wishkah River in Grays Harbor County, Washington. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 145 vehicles a day, roughly 5% of them trucks, projected to reach 177 by 2042. The structure is 933 ft (284.4 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesAberdeen Gardens
CrossesWishkah River
Location0.4 E JCT 94311
RouteCounty Highway 51240
Coordinates47.04889, -123.78056
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
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 alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 25 or greater
Structure length933 ft (284.4 m)
Longest span131 ft (39.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic145 (2022)
Projected traffic177 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Aberdeen Gardens over Wishkah River built?

It was built in 2004, making it 21 years old in 2025.

What condition is Aberdeen Gardens over Wishkah River 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 January 2023.

How much traffic does Aberdeen Gardens over Wishkah River carry?

About 145 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Aberdeen Gardens over Wishkah River?

The structure is 933 ft (284.4 m) long with a longest span of 131 ft (39.9 m) and a deck 30 ft wide.

Who owns Aberdeen Gardens over Wishkah River?

It is owned by the County Highway Agency.