US Bridges

SR 8 WB over East Fork Wildcat Creek

Good

Grays Harbor County, Washington · 0.3 E JCT SR 108 · Structure no. 0018976C0000000

Built
2018
7 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
160 ft
1 main span
Daily traffic
8,576
2023 count
Owner
State
State Highway Agency

About this bridge

SR 8 WB over East Fork Wildcat Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 8 WB over East Fork Wildcat Creek in Grays Harbor County, Washington. It was built in 2018, so it is 7 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.

It carries about 8,576 vehicles a day, roughly 10% of them trucks, projected to reach 9,634 by 2039. The structure is 160 ft (48.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 8 WB
CrossesEast Fork Wildcat Creek
Location0.3 E JCT SR 108
RouteState Highway 8
Coordinates47.05461, -123.28075
Functional classRural Principal Arterial - Other

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length160 ft (48.8 m)
Longest span154 ft (46.9 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,576 (2023)
Projected traffic9,634 by 2039
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 8 WB over East Fork Wildcat Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR 8 WB over East Fork Wildcat 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 November 2024.

How much traffic does SR 8 WB over East Fork Wildcat Creek carry?

About 8,576 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 8 WB over East Fork Wildcat Creek?

The structure is 160 ft (48.8 m) long with a longest span of 154 ft (46.9 m) and a deck 41 ft wide.

Who owns SR 8 WB over East Fork Wildcat Creek?

It is owned by the State Highway Agency.