US Bridges

4700 Road over W. Fork Willame Creek

Good

Lewis County, Washington · Near Skate Creek · Structure no. 060305000003048

Built
2000
25 years old
Condition
Good
inspected July 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
40
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

4700 Road over W. Fork Willame Creek is a steel stringer/multi-beam or girder carrying 4700 Road over W. Fork Willame Creek in Lewis County, Washington. It was built in 2000, so it is 25 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 40 vehicles a day, projected to reach 60 by 2045. The structure is 60 ft (18.3 m) long and 22 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
Carries4700 Road
CrossesW. Fork Willame Creek
LocationNear Skate Creek
RouteFederal Lands Road 47000
CountyLewis County
StateWashington
Coordinates46.63124, -121.75638
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating100.1 US tons
Inventory rating62.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadOther
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2006)
Projected traffic60 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 4700 Road over W. Fork Willame Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is 4700 Road over W. Fork Willame 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 July 2021.

How much traffic does 4700 Road over W. Fork Willame Creek carry?

About 40 vehicles per day (2006 count).

How long is 4700 Road over W. Fork Willame Creek?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 22 ft wide.

Who owns 4700 Road over W. Fork Willame Creek?

It is owned by the U.S. Forest Service.