US Bridges

Bodega Highway over Jonive Creek

Good

Sonoma County, California · 7.5 MI E/O SR 1 · Structure no. 20C0131

Built
1922
103 years old, rebuilt 1950
Condition
Good
inspected October 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
6,700
2015 count
Owner
County
County Highway Agency

About this bridge

Bodega Highway over Jonive Creek is a concrete tee beam carrying Bodega Highway over Jonive Creek 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 6,700 vehicles a day, roughly 1% of them trucks, projected to reach 9,965 by 2040. The structure is 26 ft (7.9 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBodega Highway
CrossesJonive Creek
Location7.5 MI E/O SR 1
RouteCounty Highway 0
Coordinates38.3927, -122.87781
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2015)
Projected traffic9,965 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 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 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 carry?

About 6,700 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Bodega Highway over Jonive Creek?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 34 ft wide.

Who owns Bodega Highway over Jonive Creek?

It is owned by the County Highway Agency.