US Bridges

Labath Ave over Hinebaugh Creek

Fair

Sonoma County, California · 0.2 MI N Rohnert Pk Expwy · Structure no. 20C0465

Built
1979
46 years old
Condition
Fair
inspected July 2021
Type
Culvert
Concrete Continuous
Length
48 ft
4 main spans
Daily traffic
800
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Labath Ave over Hinebaugh Creek is a concrete continuous culvert carrying Labath Ave over Hinebaugh Creek in Sonoma County, California. It was built in 1979, so it is 46 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 800 vehicles a day, roughly 2% of them trucks, projected to reach 1,283 by 2038. The structure is 48 ft (14.6 m) long and 52 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesLabath Ave
CrossesHinebaugh Creek
Location0.2 MI N Rohnert Pk Expwy
RouteCity Street 0
CountySonoma County
StateCalifornia
Coordinates38.35039, -122.72114
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 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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable 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 length48 ft (14.6 m)
Longest span11 ft (3.4 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2013)
Projected traffic1,283 by 2038
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Labath Ave over Hinebaugh Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Labath Ave 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 Labath Ave over Hinebaugh Creek carry?

About 800 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Labath Ave 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 52 ft wide.

Who owns Labath Ave over Hinebaugh Creek?

It is owned by the City or Municipal Highway Agency.