US Bridges

Nord Gianella Road over Channel Crossing

Fair

Butte County, California · 0.6 MI W Hmtn Nd Cana Hy · Structure no. 12C0309

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
93
2016 count
Owner
County
County Highway Agency

About this bridge

Nord Gianella Road over Channel Crossing is a concrete continuous tee beam carrying Nord Gianella Road over Channel Crossing in Butte County, California. It was built in 1940, so it is 85 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.

It carries about 93 vehicles a day, roughly 8% of them trucks, projected to reach 297 by 2042. The structure is 48 ft (14.7 m) long and 21 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNord Gianella Road
CrossesChannel Crossing
Location0.6 MI W Hmtn Nd Cana Hy
RouteCounty Highway 0
CountyButte County
StateCalifornia
Coordinates39.78127, -121.96839
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length48 ft (14.7 m)
Longest span16 ft (4.9 m)
Deck width21 ft (6.5 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93 (2016)
Projected traffic297 by 2042
Trucks8%
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 Road over Channel Crossing built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nord Gianella Road over Channel Crossing 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 Road over Channel Crossing carry?

About 93 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is Nord Gianella Road over Channel Crossing?

The structure is 48 ft (14.7 m) long with a longest span of 16 ft (4.9 m) and a deck 21 ft wide.

Who owns Nord Gianella Road over Channel Crossing?

It is owned by the County Highway Agency.