US Bridges

Nord Gianella RD over Serenity Ditch

FairPosted for load

Butte County, California · 1.6 MI W Folsom Street · Structure no. 12C0191

Built
1941
84 years old
Condition
Fair
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
63 ft
1 main span
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

Nord Gianella RD over Serenity Ditch is a steel girder and floorbeam system carrying Nord Gianella RD over Serenity Ditch in Butte County, California. It was built in 1941, so it is 84 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 100 vehicles a day, roughly 14% of them trucks, projected to reach 312 by 2043. The structure is 63 ft (19.1 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNord Gianella RD
CrossesSerenity Ditch
Location1.6 MI W Folsom Street
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.78129, -121.98782
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating17.2 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckCorrugated steel
Main spans1 (+2 approach)
Design loadUnknown
Structure length63 ft (19.1 m)
Longest span30 ft (9.2 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic312 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Nord Gianella RD over Serenity Ditch built?

It was built in 1941, making it 84 years old in 2025.

What condition is Nord Gianella RD over Serenity Ditch 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 July 2024.

How much traffic does Nord Gianella RD over Serenity Ditch carry?

About 100 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is Nord Gianella RD over Serenity Ditch?

The structure is 63 ft (19.1 m) long with a longest span of 30 ft (9.2 m) and a deck 22 ft wide.

Who owns Nord Gianella RD over Serenity Ditch?

It is owned by the County Highway Agency.