US Bridges

Elkhorn Road over Elkhorn Creek

Fair

Pacific County, Washington · 1.0 S Gray Har. Co. · Structure no. 086217000000000

Built
1996
29 years old
Condition
Fair
inspected June 2023
Type
Channel Beam
Prestressed Concrete Continuous
Length
147 ft
3 main spans
Daily traffic
74
2023 count
Owner
County
County Highway Agency

About this bridge

Elkhorn Road over Elkhorn Creek is a prestressed concrete continuous channel beam carrying Elkhorn Road over Elkhorn Creek in Pacific County, Washington. It was built in 1996, so it is 29 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 74 vehicles a day, roughly 16% of them trucks, projected to reach 150 by 2043. The structure is 147 ft (44.8 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesElkhorn Road
CrossesElkhorn Creek
Location1.0 S Gray Har. Co.
RouteCounty Highway 60620
CountyPacific County
StateWashington
Coordinates46.77833, -123.73356
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating30 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length147 ft (44.8 m)
Longest span54 ft (16.5 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74 (2023)
Projected traffic150 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2.1 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Elkhorn Road over Elkhorn Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Elkhorn Road over Elkhorn Creek 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 2023.

How much traffic does Elkhorn Road over Elkhorn Creek carry?

About 74 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Elkhorn Road over Elkhorn Creek?

The structure is 147 ft (44.8 m) long with a longest span of 54 ft (16.5 m) and a deck 26 ft wide.

Who owns Elkhorn Road over Elkhorn Creek?

It is owned by the County Highway Agency.