US Bridges

State Route 70 over State Route 162

Good

Butte County, California · 03-BUT-070-13.90-OVL · Structure no. 12 0147

Built
1962
63 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
157 ft
4 main spans
Daily traffic
20,100
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 70 over State Route 162 is a concrete continuous tee beam carrying State Route 70 over State Route 162 in Butte 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 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 20,100 vehicles a day, roughly 15% of them trucks, projected to reach 25,566 by 2041. The structure is 157 ft (47.9 m) long and 89 ft wide.

CarriesState Route 70
CrossesState Route 162
Location03-BUT-070-13.90-OVL
RouteState Highway 70
Coordinates39.4978, -121.57518
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span49 ft (14.9 m)
Deck width89 ft (27 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,100 (2020)
Projected traffic25,566 by 2041
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 State Route 162 built?

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

What condition is State Route 70 over State Route 162 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 May 2024.

How much traffic does State Route 70 over State Route 162 carry?

About 20,100 vehicles per day (2020 count), of which roughly 15% are trucks.

How long is State Route 70 over State Route 162?

The structure is 157 ft (47.9 m) long with a longest span of 49 ft (14.9 m) and a deck 89 ft wide.

Who owns State Route 70 over State Route 162?

It is owned by the State Highway Agency.