US Bridges

Bodega Highway over Jonive Creek 1

Good

Sonoma County, California · 7.3 MI from Int W/ SR 1 · Structure no. 20C0134

Built
1922
103 years old, rebuilt 1950
Condition
Good
inspected October 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
7,000
2015 count
Owner
County
County Highway Agency

About this bridge

Bodega Highway over Jonive Creek 1 is a concrete tee beam carrying Bodega Highway over Jonive Creek 1 in Sonoma County, California. It was built in 1922 and reconstructed in 1950, so it is 103 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,000 vehicles a day, roughly 1% of them trucks, projected to reach 7,219 by 2040. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesBodega Highway
CrossesJonive Creek 1
Location7.3 MI from Int W/ SR 1
RouteCounty Highway 0
Coordinates38.39108, -122.88166
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment6: Equal to present minimum criteria
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2015)
Projected traffic7,219 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bodega Highway over Jonive Creek 1 built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1950.

What condition is Bodega Highway over Jonive Creek 1 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Bodega Highway over Jonive Creek 1 carry?

About 7,000 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Bodega Highway over Jonive Creek 1?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 36 ft wide.

Who owns Bodega Highway over Jonive Creek 1?

It is owned by the County Highway Agency.