US Bridges

Fowler Road over So Fork Willapa River

Good

Pacific County, Washington · 2.1 S JCT SR 6 and SR 101 · Structure no. 086439000000000

Built
1998
27 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
418
2023 count
Owner
County
County Highway Agency

About this bridge

Fowler Road over So Fork Willapa River is a prestressed concrete stringer/multi-beam or girder carrying Fowler Road over So Fork Willapa River in Pacific County, Washington. It was built in 1998, so it is 27 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 418 vehicles a day, roughly 5% of them trucks, projected to reach 600 by 2043. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFowler Road
CrossesSo Fork Willapa River
Location2.1 S JCT SR 6 and SR 101
RouteCounty Highway 94290
Coordinates46.65872, -123.73061
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length120 ft (36.6 m)
Longest span117 ft (35.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic418 (2023)
Projected traffic600 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Fowler Road over So Fork Willapa River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Fowler Road over So Fork Willapa 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 June 2023.

How much traffic does Fowler Road over So Fork Willapa River carry?

About 418 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Fowler Road over So Fork Willapa River?

The structure is 120 ft (36.6 m) long with a longest span of 117 ft (35.8 m) and a deck 31 ft wide.

Who owns Fowler Road over So Fork Willapa River?

It is owned by the County Highway Agency.