US Bridges

23610 over Cedar Creek

Fair

Mason County, Washington · No Data Entered · Structure no. 060901000001171

Built
1959
66 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
50
Owner
Federal
U.S. Forest Service

About this bridge

23610 over Cedar Creek is a concrete culvert carrying 23610 over Cedar Creek in Mason County, Washington. It was built in 1959, so it is 66 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 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
Carries23610
CrossesCedar Creek
LocationNo Data Entered
RouteFederal Lands Road 23610
CountyMason County
StateWashington
Coordinates47.43858, -123.41331
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating—
Inventory rating—

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (—)
Projected traffic75 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 23610 over Cedar Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is 23610 over Cedar 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 September 2023.

How much traffic does 23610 over Cedar Creek carry?

About 50 vehicles per day (latest count).

How long is 23610 over Cedar Creek?

The structure is 22 ft (6.7 m) long with a longest span of 12 ft (3.7 m).

Who owns 23610 over Cedar Creek?

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