US Bridges

State Route 162 over Canyon Creek

Poor

Butte County, California · 03-BUT-162-29.96 · Structure no. 12 0184

Built
1967
58 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
780 ft
4 main spans
Daily traffic
1,500
2020 count
Owner
State
Other State Agency

About this bridge

State Route 162 over Canyon Creek is a steel continuous stringer/multi-beam or girder carrying State Route 162 over Canyon Creek in Butte County, California. It was built in 1967, so it is 58 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,500 vehicles a day, roughly 10% of them trucks, projected to reach 2,788 by 2041. The structure is 780 ft (237.7 m) long and 34 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesState Route 162
CrossesCanyon Creek
Location03-BUT-162-29.96
RouteState Highway 162
Coordinates39.58483, -121.42973
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating69.7 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length780 ft (237.7 m)
Longest span250 ft (76.2 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2020)
Projected traffic2,788 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$9.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 162 over Canyon Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is State Route 162 over Canyon Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does State Route 162 over Canyon Creek carry?

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

How long is State Route 162 over Canyon Creek?

The structure is 780 ft (237.7 m) long with a longest span of 250 ft (76.2 m) and a deck 34 ft wide.

Who owns State Route 162 over Canyon Creek?

It is owned by the Other State Agency.