US Bridges

Country Club DR over Copeland Creek

Fair

Sonoma County, California · 0.4 MI S Rnpk Exprsswy · Structure no. 20C0464

Built
1973
52 years old
Condition
Fair
inspected June 2021
Type
Culvert
Concrete Continuous
Length
62 ft
4 main spans
Daily traffic
7,700
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Country Club DR over Copeland Creek is a concrete continuous culvert carrying Country Club DR over Copeland Creek in Sonoma County, California. It was built in 1973, so it is 52 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 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 7,700 vehicles a day, roughly 1% of them trucks, projected to reach 10,795 by 2038. The structure is 62 ft (18.9 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCountry Club DR
CrossesCopeland Creek
Location0.4 MI S Rnpk Exprsswy
RouteCity Street 0
CountySonoma County
StateCalifornia
Coordinates38.34317, -122.69508
Functional classUrban Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span11 ft (3.4 m)
Deck width53 ft (16.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2009)
Projected traffic10,795 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Country Club DR over Copeland Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Country Club DR over Copeland 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 June 2021.

How much traffic does Country Club DR over Copeland Creek carry?

About 7,700 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is Country Club DR over Copeland Creek?

The structure is 62 ft (18.9 m) long with a longest span of 11 ft (3.4 m) and a deck 53 ft wide.

Who owns Country Club DR over Copeland Creek?

It is owned by the City or Municipal Highway Agency.