US Bridges

Ewbank Road over Mox Chehalis Creek

GoodPosted for load

Grays Harbor County, Washington · 0.12 SE JCT 86290 · Structure no. 088876000000000

Built
2016
9 years old
Condition
Good
inspected December 2022
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
36
2022 count
Owner
County
County Highway Agency

About this bridge

Ewbank Road over Mox Chehalis Creek is a prestressed concrete slab carrying Ewbank Road over Mox Chehalis Creek in Grays Harbor County, Washington. It was built in 2016, so it is 9 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 36 vehicles a day, roughly 5% of them trucks, projected to reach 44 by 2042. The structure is 60 ft (18.3 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesEwbank Road
CrossesMox Chehalis Creek
Location0.12 SE JCT 86290
RouteCounty Highway 86530
CountyGrays Harbor County
StateWashington
Coordinates47.04319, -123.24917
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20 US tons
Inventory rating15 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span58 ft (17.7 m)
Deck width20 ft (6.2 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2022)
Projected traffic44 by 2042
Trucks5%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$20,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ewbank Road over Mox Chehalis Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Ewbank Road over Mox Chehalis Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2022.

How much traffic does Ewbank Road over Mox Chehalis Creek carry?

About 36 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Ewbank Road over Mox Chehalis Creek?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.7 m) and a deck 20 ft wide.

Who owns Ewbank Road over Mox Chehalis Creek?

It is owned by the County Highway Agency.