US Bridges

Second ST (moclips over Moclips River

FairPosted for load

Grays Harbor County, Washington · 00.1 W JCT SR 109 · Structure no. 080715000000000

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
168 ft
6 main spans
Daily traffic
636
2020 count
Owner
County
County Highway Agency

About this bridge

Second ST (moclips over Moclips River is a prestressed concrete slab carrying Second ST (moclips over Moclips River in Grays Harbor County, Washington. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 636 vehicles a day, roughly 16% of them trucks, projected to reach 776 by 2040. The structure is 168 ft (51.2 m) long and 30 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesSecond ST (moclips
CrossesMoclips River
Location00.1 W JCT SR 109
RouteCounty Highway 93100
CountyGrays Harbor County
StateWashington
Coordinates47.23919, -124.21525
Functional classRural Minor 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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length168 ft (51.2 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic636 (2020)
Projected traffic776 by 2040
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$6.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Second ST (moclips over Moclips River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Second ST (moclips over Moclips 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 February 2024.

How much traffic does Second ST (moclips over Moclips River carry?

About 636 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is Second ST (moclips over Moclips River?

The structure is 168 ft (51.2 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Second ST (moclips over Moclips River?

It is owned by the County Highway Agency.