US Bridges

Ocean Beach Road over Humptulips River Overflo

Fair

Grays Harbor County, Washington · 7.2 NW JCT US 101 · Structure no. 084541000000000

Built
1966
59 years old
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
85 ft
3 main spans
Daily traffic
3,234
2024 count
Owner
County
County Highway Agency

About this bridge

Ocean Beach Road over Humptulips River Overflo is a prestressed concrete slab carrying Ocean Beach Road over Humptulips River Overflo in Grays Harbor County, Washington. It was built in 1966, so it is 59 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 3,234 vehicles a day, roughly 17% of them trucks, projected to reach 3,195 by 2044. The structure is 85 ft (25.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOcean Beach Road
CrossesHumptulips River Overflo
Location7.2 NW JCT US 101
RouteCounty Highway 94230
Coordinates47.07458, -124.0524
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
Deck7 GoodSome minor problems.
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 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 rating70.8 US tons
Inventory rating42.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length85 ft (25.9 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,234 (2024)
Projected traffic3,195 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 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$3.4 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 1966, making it 59 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 3,234 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Ocean Beach Road over Humptulips River Overflo?

The structure is 85 ft (25.9 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Ocean Beach Road over Humptulips River Overflo?

It is owned by the County Highway Agency.