US Bridges

Tooley Road over Salmon Creek

Good

Lewis County, Washington · 2.0 SE Toledo · Structure no. 083773000000000

Built
1977
48 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
117 ft
1 main span
Daily traffic
103
2021 count
Owner
County
County Highway Agency

About this bridge

Tooley Road over Salmon Creek is a prestressed concrete stringer/multi-beam or girder carrying Tooley Road over Salmon Creek in Lewis County, Washington. It was built in 1977, so it is 48 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 103 vehicles a day, roughly 21% of them trucks, projected to reach 187 by 2041. The structure is 117 ft (35.8 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesTooley Road
CrossesSalmon Creek
Location2.0 SE Toledo
RouteCounty Highway 50852
Coordinates46.41294, -122.818
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating61 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length117 ft (35.8 m)
Longest span69 ft (21 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2021)
Projected traffic187 by 2041
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tooley Road over Salmon Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Tooley Road over Salmon 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 January 2024.

How much traffic does Tooley Road over Salmon Creek carry?

About 103 vehicles per day (2021 count), of which roughly 21% are trucks.

How long is Tooley Road over Salmon Creek?

The structure is 117 ft (35.8 m) long with a longest span of 69 ft (21 m) and a deck 31 ft wide.

Who owns Tooley Road over Salmon Creek?

It is owned by the County Highway Agency.