US Bridges

State Route 162 over Central Irrigation Canal

Fair

Glenn County, California · 03-GLE-162-67.21 · Structure no. 11 0009

Built
1925
100 years old, rebuilt 1960
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
62 ft
7 main spans
Daily traffic
3,050
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 162 over Central Irrigation Canal is a concrete continuous culvert carrying State Route 162 over Central Irrigation Canal in Glenn County, California. It was built in 1925 and reconstructed in 1960, so it is 100 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,050 vehicles a day, projected to reach 4,505 by 2042. The structure is 62 ft (18.9 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesState Route 162
CrossesCentral Irrigation Canal
Location03-GLE-162-67.21
RouteState Highway 162
Coordinates39.52414, -122.18323
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span8 ft (2.4 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2015)
Projected traffic4,505 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Central Irrigation Canal built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1960.

What condition is State Route 162 over Central Irrigation Canal in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does State Route 162 over Central Irrigation Canal carry?

About 3,050 vehicles per day (2015 count).

How long is State Route 162 over Central Irrigation Canal?

The structure is 62 ft (18.9 m) long with a longest span of 8 ft (2.4 m) and a deck 36 ft wide.

Who owns State Route 162 over Central Irrigation Canal?

It is owned by the State Highway Agency.