US Bridges

Valdes Court over Piner Creek

Good

Sonoma County, California · NW of Valdes Drive · Structure no. 20C0565

Built
1976
49 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
200
2011 count
Owner
City
City or Municipal Highway Agency

About this bridge

Valdes Court over Piner Creek is a concrete continuous culvert carrying Valdes Court over Piner Creek in Sonoma County, California. It was built in 1976, so it is 49 years old, younger 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 200 vehicles a day, roughly 3% of them trucks, projected to reach 262 by 2042. The structure is 22 ft (6.7 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesValdes Court
CrossesPiner Creek
LocationNW of Valdes Drive
RouteCity Street 0
Coordinates38.45866, -122.75549
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span11 ft (3.3 m)
Deck width45 ft (13.8 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2011)
Projected traffic262 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Valdes Court over Piner Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Valdes Court over Piner 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 August 2024.

How much traffic does Valdes Court over Piner Creek carry?

About 200 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Valdes Court over Piner Creek?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.3 m) and a deck 45 ft wide.

Who owns Valdes Court over Piner Creek?

It is owned by the City or Municipal Highway Agency.