US Bridges

Keys Road over Chehalis River Fish Ac

Fair

Grays Harbor County, Washington · 1.5 S JCT SR 12 · Structure no. 080624000000000

Built
1981
44 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
836 ft
3 main spans
Daily traffic
454
2020 count
Owner
County
County Highway Agency

About this bridge

Keys Road over Chehalis River Fish Ac is a prestressed concrete box beam or girders - multiple carrying Keys Road over Chehalis River Fish Ac in Grays Harbor County, Washington. It was built in 1981, so it is 44 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 5 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 454 vehicles a day, roughly 2% of them trucks, projected to reach 554 by 2044. The structure is 836 ft (254.8 m) long and 36 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesKeys Road
CrossesChehalis River Fish Ac
Location1.5 S JCT SR 12
RouteCounty Highway 64432
Coordinates46.97889, -123.47917
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating32.8 US tons
Inventory rating25.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+17 approach)
Design loadHS 20
Structure length836 ft (254.8 m)
Longest span130 ft (39.6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic454 (2020)
Projected traffic554 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$30.5 million (2022 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Keys Road over Chehalis River Fish Ac built?

It was built in 1981, making it 44 years old in 2025.

What condition is Keys Road over Chehalis River Fish Ac 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 Keys Road over Chehalis River Fish Ac carry?

About 454 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Keys Road over Chehalis River Fish Ac?

The structure is 836 ft (254.8 m) long with a longest span of 130 ft (39.6 m) and a deck 36 ft wide.

Who owns Keys Road over Chehalis River Fish Ac?

It is owned by the County Highway Agency.