US Bridges

Toledo Salmon Crk over Salmon Creek

Fair

Lewis County, Washington · 1.39 SE JCT 50850 · Structure no. 083683000000000

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
3 main spans
Daily traffic
31
2018 count
Owner
County
County Highway Agency

About this bridge

Toledo Salmon Crk over Salmon Creek is a steel stringer/multi-beam or girder carrying Toledo Salmon Crk 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 31 vehicles a day, roughly 23% of them trucks, projected to reach 56 by 2038. The structure is 87 ft (26.5 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesToledo Salmon Crk
CrossesSalmon Creek
Location1.39 SE JCT 50850
RouteCounty Highway 50910
Coordinates46.41167, -122.80028
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.9 US tons
Inventory rating38 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span70 ft (21.3 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2018)
Projected traffic56 by 2038
Trucks23%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$661,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Toledo Salmon Crk over Salmon Creek built?

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

What condition is Toledo Salmon Crk over Salmon Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Toledo Salmon Crk over Salmon Creek carry?

About 31 vehicles per day (2018 count), of which roughly 23% are trucks.

How long is Toledo Salmon Crk over Salmon Creek?

The structure is 87 ft (26.5 m) long with a longest span of 70 ft (21.3 m) and a deck 16 ft wide.

Who owns Toledo Salmon Crk over Salmon Creek?

It is owned by the County Highway Agency.