US Bridges

State Route 70 over Yuba River UP RR Spur

Good

Yuba County, California · 03-YUB-070-13.60 · Structure no. 16 0034

Built
1960
65 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
2,412 ft
27 main spans
Daily traffic
37,500
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 70 over Yuba River UP RR Spur is a concrete continuous box beam or girders - multiple carrying State Route 70 over Yuba River UP RR Spur in Yuba County, California. It was built in 1960, so it is 65 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 37,500 vehicles a day, roughly 12% of them trucks, projected to reach 64,449 by 2046. The structure is 2,412 ft (735.1 m) long and 74 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesState Route 70
CrossesYuba River UP RR Spur
Location03-YUB-070-13.60
RouteState Highway 70
Coordinates39.13389, -121.58917
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.7 US tons
Inventory rating48.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans27 (+2 approach)
Design loadHS 20
Structure length2,412 ft (735.1 m)
Longest span88 ft (26.8 m)
Deck width74 ft (22.6 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,500 (2019)
Projected traffic64,449 by 2046
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 State Route 70 over Yuba River UP RR Spur built?

It was built in 1960, making it 65 years old in 2025.

What condition is State Route 70 over Yuba River UP RR Spur 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 March 2024.

How much traffic does State Route 70 over Yuba River UP RR Spur carry?

About 37,500 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is State Route 70 over Yuba River UP RR Spur?

The structure is 2,412 ft (735.1 m) long with a longest span of 88 ft (26.8 m) and a deck 74 ft wide.

Who owns State Route 70 over Yuba River UP RR Spur?

It is owned by the State Highway Agency.