US Bridges

County Road 68 over Interstate 5

Fair

Glenn County, California · 03-GLE-005-R1.52 · Structure no. 11 0083

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
175 ft
2 main spans
Daily traffic
1,000
2014 count
Owner
State
State Highway Agency

About this bridge

County Road 68 over Interstate 5 is a concrete continuous box beam or girders - multiple carrying County Road 68 over Interstate 5 in Glenn County, California. It was built in 1970, so it is 55 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 175 ft (53.4 m) long and 39 ft wide.

CarriesCounty Road 68
CrossesInterstate 5
Location03-GLE-005-R1.52
RouteCounty Highway 0
Coordinates39.40709, -122.19613
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length175 ft (53.4 m)
Longest span88 ft (26.8 m)
Deck width39 ft (11.9 m)
Roadway width32 ft (9.8 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 closed—
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 68 over Interstate 5 built?

It was built in 1970, making it 55 years old in 2025.

What condition is County Road 68 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 April 2024.

How much traffic does County Road 68 over Interstate 5 carry?

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

How long is County Road 68 over Interstate 5?

The structure is 175 ft (53.4 m) long with a longest span of 88 ft (26.8 m) and a deck 39 ft wide.

Who owns County Road 68 over Interstate 5?

It is owned by the State Highway Agency.