US Bridges

State Route 70 over Feather River Blvd

Good

Yuba County, California · 03-YUB-070-13.01 · Structure no. 16 0033

Built
1956
69 years old, rebuilt 2022
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
67 ft
1 main span
Daily traffic
37,500
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 70 over Feather River Blvd is a concrete box beam or girders - multiple carrying State Route 70 over Feather River Blvd in Yuba County, California. It was built in 1956 and reconstructed in 2022, so it is 69 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 67 ft (20.4 m) long and 97 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 70
CrossesFeather River Blvd
Location03-YUB-070-13.01
RouteState Highway 70
Coordinates39.12456, -121.57689
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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span62 ft (18.9 m)
Deck width97 ft (29.5 m)
Roadway width92 ft (27.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic37,500 (2019)
Projected traffic64,449 by 2046
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 70 over Feather River Blvd built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2022.

What condition is State Route 70 over Feather River Blvd 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 Feather River Blvd carry?

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

How long is State Route 70 over Feather River Blvd?

The structure is 67 ft (20.4 m) long with a longest span of 62 ft (18.9 m) and a deck 97 ft wide.

Who owns State Route 70 over Feather River Blvd?

It is owned by the State Highway Agency.