US Bridges

Bennett Valley RD over Yulupa Creek

Fair

Sonoma County, California · 0.6 MI W Warm Springs RD · Structure no. 20C0219

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
33 ft
1 main span
Daily traffic
2,500
2015 count
Owner
County
County Highway Agency

About this bridge

Bennett Valley RD over Yulupa Creek is a concrete slab carrying Bennett Valley RD over Yulupa Creek in Sonoma County, California. It was built in 1970, so it is 55 years old, older 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 2,500 vehicles a day, roughly 5% of them trucks, projected to reach 3,071 by 2042. The structure is 33 ft (10.1 m) long and 30 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesBennett Valley RD
CrossesYulupa Creek
Location0.6 MI W Warm Springs RD
RouteCounty Highway 0
Coordinates38.38554, -122.56094
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2015)
Projected traffic3,071 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Bennett Valley RD over Yulupa Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Bennett Valley RD over Yulupa 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 October 2024.

How much traffic does Bennett Valley RD over Yulupa Creek carry?

About 2,500 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Bennett Valley RD over Yulupa Creek?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns Bennett Valley RD over Yulupa Creek?

It is owned by the County Highway Agency.