US Bridges

North River Road over North River

PoorPosted for load

Grays Harbor County, Washington · 9.8 E JCT US 101 · Structure no. 080381000000000

Built
1951
74 years old
Condition
Poor
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Concrete
Length
328 ft
1 main span
Daily traffic
303
2020 count
Owner
County
County Highway Agency

About this bridge

North River Road over North River is a concrete box beam or girders - single or spread carrying North River Road over North River in Grays Harbor County, Washington. It was built in 1951, so it is 74 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 303 vehicles a day, roughly 34% of them trucks, projected to reach 450 by 2044. The structure is 328 ft (100 m) long and 24 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesNorth River Road
CrossesNorth River
Location9.8 E JCT US 101
RouteCounty Highway 96130
Coordinates46.81817, -123.58268
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating15 US tons
Inventory rating15 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans1 (+12 approach)
Design loadHS 15
Structure length328 ft (100 m)
Longest span80 ft (24.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic303 (2020)
Projected traffic450 by 2044
Trucks34%
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$12.2 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was North River Road over North River built?

It was built in 1951, making it 74 years old in 2025.

What condition is North River Road over North River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

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

About 303 vehicles per day (2020 count), of which roughly 34% are trucks.

How long is North River Road over North River?

The structure is 328 ft (100 m) long with a longest span of 80 ft (24.4 m) and a deck 24 ft wide.

Who owns North River Road over North River?

It is owned by the County Highway Agency.