US Bridges

Interstate 80 WB over South Yuba River

Good

Placer County, California · 03-PLA-080-R64.08L · Structure no. 19 0119L

Built
1964
61 years old
Condition
Good
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
305 ft
5 main spans
Daily traffic
13,500
2015 count
Owner
State
State Highway Agency

About this bridge

Interstate 80 WB over South Yuba River is a concrete continuous tee beam carrying Interstate 80 WB over South Yuba River in Placer County, California. It was built in 1964, so it is 61 years old, older 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 13,500 vehicles a day, roughly 10% of them trucks, projected to reach 19,893 by 2046. The structure is 305 ft (93.1 m) long and 47 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesInterstate 80 WB
CrossesSouth Yuba River
Location03-PLA-080-R64.08L
RouteInterstate 80
Coordinates39.30542, -120.5354
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length305 ft (93.1 m)
Longest span60 ft (18.3 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2015)
Projected traffic19,893 by 2046
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 1964, making it 61 years old in 2025.

What condition is Interstate 80 WB over South Yuba River 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 June 2024.

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

About 13,500 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Interstate 80 WB over South Yuba River?

The structure is 305 ft (93.1 m) long with a longest span of 60 ft (18.3 m) and a deck 47 ft wide.

Who owns Interstate 80 WB over South Yuba River?

It is owned by the State Highway Agency.