US Bridges

Interstate 5 over North Fork Logan Creek

Good

Glenn County, California · 03-GLE-005-R5.08 · Structure no. 11 0093

Built
1970
55 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
25,500
2014 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over North Fork Logan Creek is a concrete continuous culvert carrying Interstate 5 over North Fork Logan Creek 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25,500 vehicles a day, roughly 37% of them trucks, projected to reach 43,195 by 2045. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesInterstate 5
CrossesNorth Fork Logan Creek
Location03-GLE-005-R5.08
RouteInterstate 5
Coordinates39.42481, -122.19372
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span9 ft (2.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,500 (2014)
Projected traffic43,195 by 2045
Trucks37%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 5 over North Fork Logan Creek built?

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

What condition is Interstate 5 over North Fork Logan Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Interstate 5 over North Fork Logan Creek carry?

About 25,500 vehicles per day (2014 count), of which roughly 37% are trucks.

How long is Interstate 5 over North Fork Logan Creek?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.8 m).

Who owns Interstate 5 over North Fork Logan Creek?

It is owned by the State Highway Agency.