US Bridges

State Route 32 over Glenn-Colusa Canal

Fair

Glenn County, California · 03-GLE-032-9.58 · Structure no. 11 0028

Built
1987
38 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
177 ft
5 main spans
Daily traffic
8,700
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 32 over Glenn-Colusa Canal is a concrete continuous slab carrying State Route 32 over Glenn-Colusa Canal in Glenn County, California. It was built in 1987, so it is 38 years old, younger 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 6 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 8,700 vehicles a day, roughly 11% of them trucks, projected to reach 16,221 by 2045. The structure is 177 ft (53.8 m) long and 64 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesState Route 32
CrossesGlenn-Colusa Canal
Location03-GLE-032-9.58
RouteState Highway 32
CountyGlenn County
StateCalifornia
Coordinates39.7444, -122.02032
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length177 ft (53.8 m)
Longest span39 ft (11.9 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2015)
Projected traffic16,221 by 2045
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 32 over Glenn-Colusa Canal built?

It was built in 1987, making it 38 years old in 2025.

What condition is State Route 32 over Glenn-Colusa 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 May 2024.

How much traffic does State Route 32 over Glenn-Colusa Canal carry?

About 8,700 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is State Route 32 over Glenn-Colusa Canal?

The structure is 177 ft (53.8 m) long with a longest span of 39 ft (11.9 m) and a deck 64 ft wide.

Who owns State Route 32 over Glenn-Colusa Canal?

It is owned by the State Highway Agency.