US Bridges

Cougar Smith Road over Middle Fork Satsop River

Good

Grays Harbor County, Washington · 0.2 NW JCT 7365 · Structure no. 087518000000000

Built
2006
19 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
205 ft
1 main span
Daily traffic
307
2023 count
Owner
County
County Highway Agency

About this bridge

Cougar Smith Road over Middle Fork Satsop River is a prestressed concrete stringer/multi-beam or girder carrying Cougar Smith Road over Middle Fork Satsop River in Grays Harbor County, Washington. It was built in 2006, so it is 19 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 307 vehicles a day, roughly 30% of them trucks, projected to reach 375 by 2043. The structure is 205 ft (62.5 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCougar Smith Road
CrossesMiddle Fork Satsop River
Location0.2 NW JCT 7365
RouteCounty Highway 73700
Coordinates47.17528, -123.51261
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating106.8 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length205 ft (62.5 m)
Longest span197 ft (60 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic307 (2023)
Projected traffic375 by 2043
Trucks30%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cougar Smith Road over Middle Fork Satsop River built?

It was built in 2006, making it 19 years old in 2025.

What condition is Cougar Smith Road over Middle Fork Satsop River 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 January 2023.

How much traffic does Cougar Smith Road over Middle Fork Satsop River carry?

About 307 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is Cougar Smith Road over Middle Fork Satsop River?

The structure is 205 ft (62.5 m) long with a longest span of 197 ft (60 m) and a deck 31 ft wide.

Who owns Cougar Smith Road over Middle Fork Satsop River?

It is owned by the County Highway Agency.