US Bridges

Verano Ave over Sonoma Creek

Good

Sonoma County, California · 0.7 MI E Arnold DR · Structure no. 20C0008

Built
1949
76 years old, rebuilt 2006
Condition
Good
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
200 ft
5 main spans
Daily traffic
9,700
2015 count
Owner
County
County Highway Agency

About this bridge

Verano Ave over Sonoma Creek is a concrete continuous tee beam carrying Verano Ave over Sonoma Creek in Sonoma County, California. It was built in 1949 and reconstructed in 2006, so it is 76 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 9,700 vehicles a day, roughly 2% of them trucks, projected to reach 10,202 by 2042. The structure is 200 ft (61 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesVerano Ave
CrossesSonoma Creek
Location0.7 MI E Arnold DR
RouteCounty Highway 0
Coordinates38.30264, -122.48385
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating16.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length200 ft (61 m)
Longest span57 ft (17.4 m)
Deck width43 ft (13.2 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,700 (2015)
Projected traffic10,202 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Verano Ave over Sonoma Creek built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 2006.

What condition is Verano Ave over Sonoma 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 2024.

How much traffic does Verano Ave over Sonoma Creek carry?

About 9,700 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Verano Ave over Sonoma Creek?

The structure is 200 ft (61 m) long with a longest span of 57 ft (17.4 m) and a deck 43 ft wide.

Who owns Verano Ave over Sonoma Creek?

It is owned by the County Highway Agency.