US Bridges

County Road 2361 over Salmon Creek

Fair

Okanogan County, Washington · 0.1 MI N JCT.4015 · Structure no. 085059000000000

Built
1976
49 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
199
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

County Road 2361 over Salmon Creek is a prestressed concrete channel beam carrying County Road 2361 over Salmon Creek in Okanogan County, Washington. It was built in 1976, so it is 49 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 199 vehicles a day, roughly 13% of them trucks, projected to reach 50 by 2044. The structure is 38 ft (11.6 m) long and 28 ft wide. If it were closed, the detour would be 57.8 mi (93 km).

Location

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CarriesCounty Road 2361
CrossesSalmon Creek
Location0.1 MI N JCT.4015
RouteCounty Highway 255
CountyOkanogan County
StateWashington
Coordinates48.56166, -119.75084
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating15.8 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span37 ft (11.3 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199 (2023)
Projected traffic50 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.8 mi (93 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal 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$1.7 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 2361 over Salmon Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is County Road 2361 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 County Road 2361 over Salmon Creek carry?

About 199 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is County Road 2361 over Salmon Creek?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.3 m) and a deck 28 ft wide.

Who owns County Road 2361 over Salmon Creek?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.