US Bridges

Road D over N Fk Logan Creek Ovrflow

Good

Glenn County, California · Just North of RD #60 · Structure no. 11C0259

Built
1981
44 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
410
2015 count
Owner
County
County Highway Agency

About this bridge

Road D over N Fk Logan Creek Ovrflow is a concrete continuous culvert carrying Road D over N Fk Logan Creek Ovrflow in Glenn County, California. It was built in 1981, so it is 44 years old, younger 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 410 vehicles a day, roughly 10% of them trucks, projected to reach 502 by 2047. The structure is 33 ft (10.1 m) long and 42 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRoad D
CrossesN Fk Logan Creek Ovrflow
LocationJust North of RD #60
RouteCounty Highway 0
Coordinates39.46566, -122.24879
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span11 ft (3.4 m)
Deck width42 ft (12.8 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2015)
Projected traffic502 by 2047
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Road D over N Fk Logan Creek Ovrflow built?

It was built in 1981, making it 44 years old in 2025.

What condition is Road D over N Fk Logan Creek Ovrflow 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 January 2025.

How much traffic does Road D over N Fk Logan Creek Ovrflow carry?

About 410 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Road D over N Fk Logan Creek Ovrflow?

The structure is 33 ft (10.1 m) long with a longest span of 11 ft (3.4 m) and a deck 42 ft wide.

Who owns Road D over N Fk Logan Creek Ovrflow?

It is owned by the County Highway Agency.