US Bridges

Clark Drive over Cole Creek

Fair

Lake County, California · 0.7 MI S/O Soda Bay RD · Structure no. 14C0080

Built
1940
85 years old, rebuilt 2013
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
26 ft
2 main spans
Daily traffic
114
2009 count
Owner
County
County Highway Agency

About this bridge

Clark Drive over Cole Creek is a steel continuous stringer/multi-beam or girder carrying Clark Drive over Cole Creek in Lake County, California. It was built in 1940 and reconstructed in 2013, so it is 85 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 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 114 vehicles a day, roughly 1% of them trucks, projected to reach 235 by 2046. The structure is 26 ft (8 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesClark Drive
CrossesCole Creek
Location0.7 MI S/O Soda Bay RD
RouteCounty Highway 0
Coordinates38.99758, -122.81489
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating86.8 US tons
Inventory rating67.1 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length26 ft (8 m)
Longest span13 ft (4 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic114 (2009)
Projected traffic235 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway 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 Clark Drive over Cole Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2013.

What condition is Clark Drive 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 Clark Drive over Cole Creek carry?

About 114 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is Clark Drive over Cole Creek?

The structure is 26 ft (8 m) long with a longest span of 13 ft (4 m) and a deck 25 ft wide.

Who owns Clark Drive over Cole Creek?

It is owned by the County Highway Agency.