US Bridges

Country Club Drive over Hinebaugh Creek

Fair

Sonoma County, California · 0.1 MI N Rohnert Pk Expwy · Structure no. 20C0468L

Built
1973
52 years old
Condition
Fair
inspected July 2021
Type
Culvert
Concrete Continuous
Length
48 ft
4 main spans
Daily traffic
7,000
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Country Club Drive over Hinebaugh Creek is a concrete continuous culvert carrying Country Club Drive over Hinebaugh 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 7,000 vehicles a day, roughly 1% of them trucks, projected to reach 10,867 by 2038. The structure is 48 ft (14.6 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCountry Club Drive
CrossesHinebaugh Creek
Location0.1 MI N Rohnert Pk Expwy
RouteCity Street 0
CountySonoma County
StateCalifornia
Coordinates38.35057, -122.69573
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable 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 length48 ft (14.6 m)
Longest span11 ft (3.4 m)
Deck width27 ft (8.2 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2013)
Projected traffic10,867 by 2038
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Drive over Hinebaugh Creek built?

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

What condition is Country Club Drive over Hinebaugh 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 July 2021.

How much traffic does Country Club Drive over Hinebaugh Creek carry?

About 7,000 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Country Club Drive over Hinebaugh Creek?

The structure is 48 ft (14.6 m) long with a longest span of 11 ft (3.4 m) and a deck 27 ft wide.

Who owns Country Club Drive over Hinebaugh Creek?

It is owned by the City or Municipal Highway Agency.