US Bridges

County Road 33 over Interstate 5

Fair

Glenn County, California · 03-GLE-005-R16.80 · Structure no. 11 0064

Built
1966
59 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
240 ft
4 main spans
Daily traffic
1,000
2014 count
Owner
State
State Highway Agency

About this bridge

County Road 33 over Interstate 5 is a concrete continuous box beam or girders - multiple carrying County Road 33 over Interstate 5 in Glenn County, California. It was built in 1966, so it is 59 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 1,000 vehicles a day, roughly 20% of them trucks, projected to reach 1,326 by 2046. The structure is 240 ft (73 m) long and 37 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesCounty Road 33
CrossesInterstate 5
Location03-GLE-005-R16.80
RouteCounty Highway 0
CountyGlenn County
StateCalifornia
Coordinates39.62424, -122.20561
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length240 ft (73 m)
Longest span87 ft (26.4 m)
Deck width37 ft (11.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2014)
Projected traffic1,326 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed11.2 mi (18 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 33 over Interstate 5 built?

It was built in 1966, making it 59 years old in 2025.

What condition is County Road 33 over Interstate 5 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 County Road 33 over Interstate 5 carry?

About 1,000 vehicles per day (2014 count), of which roughly 20% are trucks.

How long is County Road 33 over Interstate 5?

The structure is 240 ft (73 m) long with a longest span of 87 ft (26.4 m) and a deck 37 ft wide.

Who owns County Road 33 over Interstate 5?

It is owned by the State Highway Agency.