US Bridges

North River Valley over Fall River

FairPosted for load

Pacific County, Washington · 2.6 S Gray Har CO · Structure no. 083317000000000

Built
1953
72 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
140 ft
7 main spans
Daily traffic
128
2023 count
Owner
County
County Highway Agency

About this bridge

North River Valley over Fall River is a wood or timber stringer/multi-beam or girder carrying North River Valley over Fall River in Pacific County, Washington. It was built in 1953, so it is 72 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 128 vehicles a day, roughly 40% of them trucks, projected to reach 300 by 2043. The structure is 140 ft (42.7 m) long and 26 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesNorth River Valley
CrossesFall River
Location2.6 S Gray Har CO
RouteCounty Highway 96400
Coordinates46.77544, -123.50539
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24 US tons
Inventory rating18 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length140 ft (42.7 m)
Longest span42 ft (12.8 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128 (2023)
Projected traffic300 by 2043
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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$5.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was North River Valley over Fall River built?

It was built in 1953, making it 72 years old in 2025.

What condition is North River Valley over Fall 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 June 2024.

How much traffic does North River Valley over Fall River carry?

About 128 vehicles per day (2023 count), of which roughly 40% are trucks.

How long is North River Valley over Fall River?

The structure is 140 ft (42.7 m) long with a longest span of 42 ft (12.8 m) and a deck 26 ft wide.

Who owns North River Valley over Fall River?

It is owned by the County Highway Agency.