US Bridges

SR 8 over Wildcat Creek

Good

Grays Harbor County, Washington · 3.2 E JCT US 12 · Structure no. 0019933G0000000

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
10,124
2023 count
Owner
State
State Highway Agency

About this bridge

SR 8 over Wildcat Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 8 over Wildcat Creek in Grays Harbor County, Washington. It was built in 2024, so it is 1 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 10,124 vehicles a day, roughly 10% of them trucks, projected to reach 15,043 by 2043. The structure is 91 ft (27.7 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 8
CrossesWildcat Creek
Location3.2 E JCT US 12
RouteState Highway 8
CountyGrays Harbor County
StateWashington
Coordinates47.03298, -123.33714
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 inspectionOctober 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 rating58.2 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length91 ft (27.7 m)
Longest span91 ft (27.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,124 (2023)
Projected traffic15,043 by 2043
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 8 over Wildcat Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is SR 8 over 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 October 2024.

How much traffic does SR 8 over Wildcat Creek carry?

About 10,124 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 8 over Wildcat Creek?

The structure is 91 ft (27.7 m) long with a longest span of 91 ft (27.7 m) and a deck 41 ft wide.

Who owns SR 8 over Wildcat Creek?

It is owned by the State Highway Agency.