US Bridges

State Route 162 over Sacramento River

Poor

Glenn County, California · 03-GLE-162-76.70 · Structure no. 11 0017

Built
1948
77 years old, rebuilt 1961
Condition
Poor
inspected November 2023
Type
Truss - Thru
Steel Continuous
Length
4,389 ft
3 main spans
Daily traffic
2,400
2013 count
Owner
State
State Highway Agency

About this bridge

State Route 162 over Sacramento River is a steel continuous truss - thru carrying State Route 162 over Sacramento River in Glenn County, California. It was built in 1948 and reconstructed in 1961, so it is 77 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 2,400 vehicles a day, roughly 20% of them trucks, projected to reach 3,582 by 2045. The structure is 4,389 ft (1,337.8 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesState Route 162
CrossesSacramento River
Location03-GLE-162-76.70
RouteState Highway 162
Coordinates39.45673, -122.00936
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating13.6 US tons
Inventory rating8.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+109 approach)
Design loadHS 20
Structure length4,389 ft (1,337.8 m)
Longest span167 ft (50.8 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck15 ft (4.7 m)

Traffic and service

Average daily traffic2,400 (2013)
Projected traffic3,582 by 2045
Trucks20%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$53.8 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 162 over Sacramento River built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1961.

What condition is State Route 162 over Sacramento River 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 November 2023.

How much traffic does State Route 162 over Sacramento River carry?

About 2,400 vehicles per day (2013 count), of which roughly 20% are trucks.

How long is State Route 162 over Sacramento River?

The structure is 4,389 ft (1,337.8 m) long with a longest span of 167 ft (50.8 m) and a deck 34 ft wide.

Who owns State Route 162 over Sacramento River?

It is owned by the State Highway Agency.