US Bridges

No Data Entered over Boulder Creek

Fair

Mason County, Washington · No Data Entered · Structure no. 060901000001050

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
25
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over Boulder Creek is a prestressed concrete slab carrying No Data Entered over Boulder Creek in Mason County, Washington. It was built in 1965, so it is 60 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 25 vehicles a day, projected to reach 37 by 2045. The structure is 60 ft (18.3 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesNo Data Entered
CrossesBoulder Creek
LocationNo Data Entered
RouteFederal Lands Road 25000
CountyMason County
StateWashington
Coordinates47.58361, -123.23192
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 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; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.1 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span19 ft (5.9 m)
Deck width17 ft (5.1 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2006)
Projected traffic37 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 No Data Entered over Boulder Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is No Data Entered over Boulder 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 No Data Entered over Boulder Creek carry?

About 25 vehicles per day (2006 count).

How long is No Data Entered over Boulder Creek?

The structure is 60 ft (18.3 m) long with a longest span of 19 ft (5.9 m) and a deck 17 ft wide.

Who owns No Data Entered over Boulder Creek?

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