US Bridges

Camp Loop over Mcsorley Creek

Good

King County, Washington · Saltwater State Park · Structure no. 086486000000000

Built
1992
33 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
50
2012 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Camp Loop over Mcsorley Creek is a prestressed concrete slab carrying Camp Loop over Mcsorley Creek in King County, Washington. It was built in 1992, so it is 33 years old, younger than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 62 by 2036. The structure is 32 ft (9.8 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesCamp Loop
CrossesMcsorley Creek
LocationSaltwater State Park
RouteState Lands Road 82001
Coordinates47.37528, -122.31536
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2012)
Projected traffic62 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$365,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Camp Loop over Mcsorley Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Camp Loop over Mcsorley Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does Camp Loop over Mcsorley Creek carry?

About 50 vehicles per day (2012 count).

How long is Camp Loop over Mcsorley Creek?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 24 ft wide.

Who owns Camp Loop over Mcsorley Creek?

It is owned by the State Park, Forest, or Reservation Agency.