US Bridges

Bottle Rock Road over Cole Creek

Fair

Lake County, California · 0.15 MI S of S.R. 29 · Structure no. 14C0101

Built
1971
54 years old
Condition
Fair
inspected March 2024
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
1,205
2009 count
Owner
County
County Highway Agency

About this bridge

Bottle Rock Road over Cole Creek is a steel culvert carrying Bottle Rock Road over Cole Creek in Lake County, California. It was built in 1971, so it is 54 years old, younger 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 1,205 vehicles a day, roughly 3% of them trucks, projected to reach 1,636 by 2046. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBottle Rock Road
CrossesCole Creek
Location0.15 MI S of S.R. 29
RouteCounty Highway 0
CountyLake County
StateCalifornia
Coordinates38.94236, -122.81536
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 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
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.2 US tons
Inventory rating65.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,205 (2009)
Projected traffic1,636 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Bottle Rock Road over Cole Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Bottle Rock Road 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 Bottle Rock Road over Cole Creek carry?

About 1,205 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Bottle Rock Road over Cole Creek?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns Bottle Rock Road over Cole Creek?

It is owned by the County Highway Agency.