US Bridges

Boat Launch Rmp RD over Cole Creek

Fair

Lake County, California · Clear Lake State Park · Structure no. 14P0001

Built
1970
55 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
104
2008 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Boat Launch Rmp RD over Cole Creek is a prestressed concrete stringer/multi-beam or girder carrying Boat Launch Rmp RD over Cole Creek in Lake County, California. It was built in 1970, so it is 55 years old, older than the California average of 54.8 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 104 vehicles a day, roughly 2% of them trucks, projected to reach 161 by 2044. The structure is 51 ft (15.4 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesBoat Launch Rmp RD
CrossesCole Creek
LocationClear Lake State Park
RouteState Lands Road 0
CountyLake County
StateCalifornia
Coordinates39.01755, -122.81482
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating29.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length51 ft (15.4 m)
Longest span46 ft (13.9 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic104 (2008)
Projected traffic161 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Boat Launch Rmp RD over Cole Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Boat Launch Rmp RD over Cole 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 March 2024.

How much traffic does Boat Launch Rmp RD over Cole Creek carry?

About 104 vehicles per day (2008 count), of which roughly 2% are trucks.

How long is Boat Launch Rmp RD over Cole Creek?

The structure is 51 ft (15.4 m) long with a longest span of 46 ft (13.9 m) and a deck 22 ft wide.

Who owns Boat Launch Rmp RD over Cole Creek?

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