US Bridges

North Shore Road over Grandey Creek

Good

Grays Harbor County, Washington · 2.1 Mi. NE of Jct. Hwy. 1 · Structure no. 9500048P0000000

Built
2005
20 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
114 ft
1 main span
Daily traffic
436
2011 count
Owner
Federal
National Park Service

About this bridge

North Shore Road over Grandey Creek is a prestressed concrete tee beam carrying North Shore Road over Grandey Creek in Grays Harbor County, Washington. It was built in 2005, so it is 20 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 436 vehicles a day, projected to reach 500 by 2031. The structure is 114 ft (34.8 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNorth Shore Road
CrossesGrandey Creek
Location2.1 Mi. NE of Jct. Hwy. 1
RouteFederal Lands Road 104
Coordinates47.4815, -123.88928
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.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
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 alignment6: Equal to present minimum criteria
Operating rating82 US tons
Inventory rating46 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length114 ft (34.8 m)
Longest span109 ft (33.3 m)
Deck width30 ft (9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic436 (2011)
Projected traffic500 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was North Shore Road over Grandey Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is North Shore Road over Grandey Creek 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 August 2023.

How much traffic does North Shore Road over Grandey Creek carry?

About 436 vehicles per day (2011 count).

How long is North Shore Road over Grandey Creek?

The structure is 114 ft (34.8 m) long with a longest span of 109 ft (33.3 m) and a deck 30 ft wide.

Who owns North Shore Road over Grandey Creek?

It is owned by the National Park Service.