US Bridges

Williams Road over Sherman Creek

Good

Lincoln County, Washington · 3.76 S FAS P221 · Structure no. 086162000000000

Built
1995
30 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
21
2021 count
Owner
County
County Highway Agency

About this bridge

Williams Road over Sherman Creek is a prestressed concrete stringer/multi-beam or girder carrying Williams Road over Sherman Creek in Lincoln County, Washington. It was built in 1995, so it is 30 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 21 vehicles a day, roughly 40% of them trucks, projected to reach 51 by 2042. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesWilliams Road
CrossesSherman Creek
Location3.76 S FAS P221
RouteCounty Highway 40720
Coordinates47.77331, -118.61975
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span59 ft (18 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21 (2021)
Projected traffic51 by 2042
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Williams Road over Sherman Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Williams Road over Sherman 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 2023.

How much traffic does Williams Road over Sherman Creek carry?

About 21 vehicles per day (2021 count), of which roughly 40% are trucks.

How long is Williams Road over Sherman Creek?

The structure is 60 ft (18.3 m) long with a longest span of 59 ft (18 m) and a deck 36 ft wide.

Who owns Williams Road over Sherman Creek?

It is owned by the County Highway Agency.