US Bridges

Ocean Beach Road over Humptulips River Overflo

Fair

Grays Harbor County, Washington · 09.4 NW JCT US 101 · Structure no. 083849000000000

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
171 ft
8 main spans
Daily traffic
3,153
2024 count
Owner
County
County Highway Agency

About this bridge

Ocean Beach Road over Humptulips River Overflo is a concrete continuous slab carrying Ocean Beach Road over Humptulips River Overflo in Grays Harbor County, Washington. It was built in 1960, so it is 65 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.

It carries about 3,153 vehicles a day, roughly 15% of them trucks, projected to reach 3,088 by 2044. The structure is 171 ft (52 m) long and 28 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

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CarriesOcean Beach Road
CrossesHumptulips River Overflo
Location09.4 NW JCT US 101
RouteCounty Highway 94230
CountyGrays Harbor County
StateWashington
Coordinates47.10292, -124.06278
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 15
Structure length171 ft (52 m)
Longest span22 ft (6.7 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,153 (2024)
Projected traffic3,088 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed21.7 mi (35 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$6.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ocean Beach Road over Humptulips River Overflo built?

It was built in 1960, making it 65 years old in 2025.

What condition is Ocean Beach Road over Humptulips River Overflo 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 Ocean Beach Road over Humptulips River Overflo carry?

About 3,153 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Ocean Beach Road over Humptulips River Overflo?

The structure is 171 ft (52 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.

Who owns Ocean Beach Road over Humptulips River Overflo?

It is owned by the County Highway Agency.