US Bridges

Pleasant Valley RD over South Yuba River

Fair

Nevada County, California · 10 MI North of Route 20 · Structure no. 17C0055

Built
1973
52 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
365 ft
3 main spans
Daily traffic
529
2014 count
Owner
County
County Highway Agency

About this bridge

Pleasant Valley RD over South Yuba River is a concrete continuous box beam or girders - multiple carrying Pleasant Valley RD over South Yuba River in Nevada County, California. It was built in 1973, so it is 52 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 529 vehicles a day, roughly 2% of them trucks, projected to reach 1,867 by 2041. The structure is 365 ft (111.3 m) long and 33 ft wide. If it were closed, the detour would be 72.1 mi (116 km).

CarriesPleasant Valley RD
CrossesSouth Yuba River
Location10 MI North of Route 20
RouteCounty Highway 0
Coordinates39.29258, -121.19361
Functional classRural Major 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
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 protection9 ExcellentNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length365 ft (111.3 m)
Longest span145 ft (44.2 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic529 (2014)
Projected traffic1,867 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed72.1 mi (116 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pleasant Valley RD over South Yuba River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Pleasant Valley RD over South Yuba River 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 March 2023.

How much traffic does Pleasant Valley RD over South Yuba River carry?

About 529 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Pleasant Valley RD over South Yuba River?

The structure is 365 ft (111.3 m) long with a longest span of 145 ft (44.2 m) and a deck 33 ft wide.

Who owns Pleasant Valley RD over South Yuba River?

It is owned by the County Highway Agency.