US Bridges

North River Road over Pioneer Creek

Fair

Grays Harbor County, Washington · 12.2 E JCT US 101 · Structure no. 080230000000000

Built
1963
62 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
241
2022 count
Owner
County
County Highway Agency

About this bridge

North River Road over Pioneer Creek is a concrete continuous slab carrying North River Road over Pioneer Creek in Grays Harbor County, Washington. It was built in 1963, so it is 62 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 5 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 241 vehicles a day, roughly 35% of them trucks, projected to reach 294 by 2044. The structure is 73 ft (22.4 m) long and 24 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesNorth River Road
CrossesPioneer Creek
Location12.2 E JCT US 101
RouteCounty Highway 96130
Coordinates46.81569, -123.5475
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length73 ft (22.4 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic241 (2022)
Projected traffic294 by 2044
Trucks35%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 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 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was North River Road over Pioneer Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is North River Road over Pioneer 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 November 2024.

How much traffic does North River Road over Pioneer Creek carry?

About 241 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is North River Road over Pioneer Creek?

The structure is 73 ft (22.4 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns North River Road over Pioneer Creek?

It is owned by the County Highway Agency.