US Bridges

Stony Point RD over Santa Rosa Creek

Fair

Sonoma County, California · .5 MI S/O W College Ave · Structure no. 20C0188

Built
1971
54 years old, rebuilt 1985
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
22,000
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Stony Point RD over Santa Rosa Creek is a concrete continuous slab carrying Stony Point RD over Santa Rosa Creek in Sonoma County, California. It was built in 1971 and reconstructed in 1985, so it is 54 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 5 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 22,000 vehicles a day, roughly 5% of them trucks, projected to reach 27,287 by 2041. The structure is 112 ft (34.1 m) long and 76 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesStony Point RD
CrossesSanta Rosa Creek
Location.5 MI S/O W College Ave
RouteCity Street 0
CountySonoma County
StateCalifornia
Coordinates38.43837, -122.74287
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 m)
Deck width76 ft (23.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,000 (2019)
Projected traffic27,287 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Stony Point RD over Santa Rosa Creek built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1985.

What condition is Stony Point RD over Santa Rosa 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 June 2024.

How much traffic does Stony Point RD over Santa Rosa Creek carry?

About 22,000 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Stony Point RD over Santa Rosa Creek?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 76 ft wide.

Who owns Stony Point RD over Santa Rosa Creek?

It is owned by the City or Municipal Highway Agency.