US Bridges

State Route 162 over Big Butte Creek Overflow

Good

Glenn County, California · 03-GLE-162-83.81 · Structure no. 11 0033

Built
1937
88 years old, rebuilt 1964
Condition
Good
inspected November 2023
Type
Slab
Concrete Continuous
Length
220 ft
12 main spans
Daily traffic
1,500
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 162 over Big Butte Creek Overflow is a concrete continuous slab carrying State Route 162 over Big Butte Creek Overflow in Glenn County, California. It was built in 1937 and reconstructed in 1964, so it is 88 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 2,200 by 2043. The structure is 220 ft (67.1 m) long and 35 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesState Route 162
CrossesBig Butte Creek Overflow
Location03-GLE-162-83.81
RouteState Highway 162
Coordinates39.46399, -121.88479
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span22 ft (6.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2016)
Projected traffic2,200 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

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 162 over Big Butte Creek Overflow built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1964.

What condition is State Route 162 over Big Butte Creek Overflow 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 November 2023.

How much traffic does State Route 162 over Big Butte Creek Overflow carry?

About 1,500 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is State Route 162 over Big Butte Creek Overflow?

The structure is 220 ft (67.1 m) long with a longest span of 22 ft (6.7 m) and a deck 35 ft wide.

Who owns State Route 162 over Big Butte Creek Overflow?

It is owned by the State Highway Agency.