US Bridges

Ocean Beach Road over Humptulips River

Fair

Grays Harbor County, Washington · 9.0 NW JCT SR 101 · Structure no. 084548000000000

Built
1980
45 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
354 ft
3 main spans
Daily traffic
2,649
2020 count
Owner
County
County Highway Agency

About this bridge

Ocean Beach Road over Humptulips River is a prestressed concrete stringer/multi-beam or girder carrying Ocean Beach Road over Humptulips River in Grays Harbor County, Washington. It was built in 1980, so it is 45 years old, younger 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.

It carries about 2,649 vehicles a day, roughly 7% of them trucks, projected to reach 3,232 by 2040. The structure is 354 ft (107.8 m) long and 35 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

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CarriesOcean Beach Road
CrossesHumptulips River
Location9.0 NW JCT SR 101
RouteCounty Highway 94230
CountyGrays Harbor County
StateWashington
Coordinates47.09742, -124.05936
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating59 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length354 ft (107.8 m)
Longest span140 ft (42.7 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,649 (2020)
Projected traffic3,232 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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$13.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ocean Beach Road over Humptulips River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ocean Beach Road over Humptulips 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 April 2024.

How much traffic does Ocean Beach Road over Humptulips River carry?

About 2,649 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Ocean Beach Road over Humptulips River?

The structure is 354 ft (107.8 m) long with a longest span of 140 ft (42.7 m) and a deck 35 ft wide.

Who owns Ocean Beach Road over Humptulips River?

It is owned by the County Highway Agency.