US Bridges

State Route 162 over Mfk Feather Ri Bidwell

Good

Butte County, California · 03-BUT-162-26.87 · Structure no. 12 0188

Built
1965
60 years old
Condition
Good
inspected August 2023
Type
Suspension
Steel
Length
1,793 ft
1 main span
Daily traffic
1,500
2020 count
Owner
State
Other State Agency

About this bridge

State Route 162 over Mfk Feather Ri Bidwell is a steel suspension carrying State Route 162 over Mfk Feather Ri Bidwell in Butte County, California. It was built in 1965, so it is 60 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 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 2,788 by 2041. The structure is 1,793 ft (546.5 m) long and 36 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 162
CrossesMfk Feather Ri Bidwell
Location03-BUT-162-26.87
RouteState Highway 162
Coordinates39.54761, -121.43091
Functional classRural Minor Arterial

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeSuspension
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+7 approach)
Design loadHS 20
Structure length1,793 ft (546.5 m)
Longest span1,108 ft (337.7 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck29 ft (8.8 m)

Traffic and service

Average daily traffic1,500 (2020)
Projected traffic2,788 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 162 over Mfk Feather Ri Bidwell built?

It was built in 1965, making it 60 years old in 2025.

What condition is State Route 162 over Mfk Feather Ri Bidwell 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 August 2023.

How much traffic does State Route 162 over Mfk Feather Ri Bidwell carry?

About 1,500 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is State Route 162 over Mfk Feather Ri Bidwell?

The structure is 1,793 ft (546.5 m) long with a longest span of 1,108 ft (337.7 m) and a deck 36 ft wide.

Who owns State Route 162 over Mfk Feather Ri Bidwell?

It is owned by the Other State Agency.