US Bridges

FAS Route F241 over Salmon Creek

Fair

Okanogan County, Washington · .SESWS6T35NR25E · Structure no. 080541000000000

Built
1949
76 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
60 ft
3 main spans
Daily traffic
867
2023 count
Owner
County
County Highway Agency

About this bridge

FAS Route F241 over Salmon Creek is a concrete continuous slab carrying FAS Route F241 over Salmon Creek in Okanogan County, Washington. It was built in 1949, so it is 76 years old, older 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 6 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 867 vehicles a day, roughly 13% of them trucks, projected to reach 1,000 by 2043. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesFAS Route F241
CrossesSalmon Creek
Location.SESWS6T35NR25E
RouteCounty Highway 92290
Coordinates48.555, -119.74667
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length60 ft (18.3 m)
Longest span22 ft (6.7 m)
Deck width36 ft (11.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic867 (2023)
Projected traffic1,000 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS Route F241 over Salmon Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is FAS Route F241 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 October 2024.

How much traffic does FAS Route F241 over Salmon Creek carry?

About 867 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FAS Route F241 over Salmon Creek?

The structure is 60 ft (18.3 m) long with a longest span of 22 ft (6.7 m) and a deck 36 ft wide.

Who owns FAS Route F241 over Salmon Creek?

It is owned by the County Highway Agency.