US Bridges

North River Road over North River

Fair

Grays Harbor County, Washington · 1.7 E JCT SR 101 · Structure no. 080942000000000

Built
1975
50 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
2 main spans
Daily traffic
378
2022 count
Owner
County
County Highway Agency

About this bridge

North River Road over North River is a prestressed concrete stringer/multi-beam or girder carrying North River Road over North River in Grays Harbor County, Washington. It was built in 1975, so it is 50 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 378 vehicles a day, roughly 60% of them trucks, projected to reach 461 by 2044. The structure is 160 ft (48.8 m) long and 30 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNorth River Road
CrossesNorth River
Location1.7 E JCT SR 101
RouteCounty Highway 96130
CountyGrays Harbor County
StateWashington
Coordinates46.88444, -123.68306
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to 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 alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length160 ft (48.8 m)
Longest span110 ft (33.5 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic378 (2022)
Projected traffic461 by 2044
Trucks60%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$6.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was North River Road over North River built?

It was built in 1975, making it 50 years old in 2025.

What condition is North River Road over North River 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 North River carry?

About 378 vehicles per day (2022 count), of which roughly 60% are trucks.

How long is North River Road over North River?

The structure is 160 ft (48.8 m) long with a longest span of 110 ft (33.5 m) and a deck 30 ft wide.

Who owns North River Road over North River?

It is owned by the County Highway Agency.