US Bridges

Interstate 80 WB over South Yuba River

Fair

Nevada County, California · 03-NEV-080-R2.63R · Structure no. 17 0073R

Built
1962
63 years old
Condition
Fair
inspected August 2023
Type
Frame
Concrete
Length
22 ft
1 main span
Daily traffic
27,000
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 80 WB over South Yuba River is a concrete frame carrying Interstate 80 WB over South Yuba River in Nevada County, California. It was built in 1962, so it is 63 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 6 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 27,000 vehicles a day, roughly 11% of them trucks, projected to reach 41,070 by 2041. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesInterstate 80 WB
CrossesSouth Yuba River
Location03-NEV-080-R2.63R
RouteInterstate 80
Coordinates39.3264, -120.38953
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2020)
Projected traffic41,070 by 2041
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Interstate 80 WB over South Yuba River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Interstate 80 WB 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 August 2023.

How much traffic does Interstate 80 WB over South Yuba River carry?

About 27,000 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is Interstate 80 WB over South Yuba River?

The structure is 22 ft (6.7 m) long with a longest span of 15 ft (4.6 m).

Who owns Interstate 80 WB over South Yuba River?

It is owned by the State Highway Agency.