Gianella Bridge

Listed on the National Register of Historic Places in 1982. 10 historic topographic surveys show this location, the earliest from 1891.

From the record

“The Gianella Bridge was a swing bridge that brought California State Route 32 across the Sacramento River at Hamilton City, California, between Glenn County and Butte County. It was built in 1908-1911 by Cotton Brothers & Co., Contractors.”
Wikipedia article Gianella Bridge, CC BY-SA 4.0.

One of 3 National Register listings published here for Glenn County · listed in 1982 · category: Structure.

Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

The listing

What is counted as historic. The nomination lists 1 structure as contributing to the listing.
Address. CA 32, Hamilton City, 95963
When was it listed? July 1982
Category. structure
Census division. Orland
National Register reference number. 82004614 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.

Fires near this property

214 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 214 fires within 5 miles of Gianella Bridge between 1992 and 2020, burning about 876 acres in total. None started naturally. 7 were recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause	Fires
Missing data/not specified/undetermined	105
Debris and open burning	47
Equipment and vehicle use	45
Arson/incendiarism	7
Smoking	4
Recreation and ceremony	3
Other causes	1
Power generation/transmission/distribution	1
Misuse of fire by a minor	1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
9 September 2009	Debris and open burning	under an acre	Butte Unit	32
8 September 2002	Missing data/not specified/undetermined	under an acre	Butte Unit	RIVER
8 September 2001	Arson/incendiarism	under an acre	Butte Unit	MUD
6 September 2002	Missing data/not specified/undetermined	under an acre	Sacramento River National Wildlife Refuge	32NORTH7
6 September 2002	Missing data/not specified/undetermined	under an acre	Sacramento River National Wildlife Refuge	32NORTH8
5 September 2002	Missing data/not specified/undetermined	under an acre	Sacramento River National Wildlife Refuge	32NORTH6
4 September 2003	Missing data/not specified/undetermined	1.0 acres	Butte Unit	ANITA
4 September 2002	Missing data/not specified/undetermined	under an acre	Sacramento River National Wildlife Refuge	32NORTH

Every fire recorded in Glenn County

Mines and quarries near this property

8 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 8 workings within 5 miles of Gianella Bridge: 6 producers, 1 occurrence, 1 unknown. 6 still produce. What was taken out: Sand and Gravel, Construction, Gold, Calcium. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Site	Commodity	Status
Hamilton City Plant	Calcium	Producer
Unknown	Gold	Occurrence
Martin Pit and Mi11	Sand and Gravel, Construction	Unknown
Pine Creek Pit	Sand and Gravel, Construction	Producer
Pit No 1 Dist No 15 Cow Creek	Sand and Gravel, Construction	Producer
Stoney Creek Pit	Sand and Gravel, Construction	Producer
Stony Creek Pit	Sand and Gravel, Construction	Producer
Stony Creek Plant	Sand and Gravel, Construction	Producer

Every working recorded in Glenn County

Maps showing this location

10 surveys

United States Geological Survey topographic sheets whose coverage includes this point. Matched by taking the coordinate the National Park Service records for this property, then testing that coordinate against the published boundary of every sheet.

1891 USGS Chico quadrangle1:125000
1893 USGS Chico quadrangle1:125000
1895 USGS Chico quadrangle1:125000 - 8 printings
1912 USGS Nord quadrangle1:31680 - 2 printings
1944 USGS Richardson Springs quadrangle1:62500 - 2 printings
1951 USGS Nord quadrangle1:24000 - 4 printings
1952 USGS Richardson Springs quadrangle1:62500 - 2 printings
1958 USGS Chico quadrangle1:250000 - 4 printings
1960 USGS Chico quadrangle1:250000
1980 USGS Chico quadrangle1:100000 - 2 printings

Sources for this property

National Archives record	The nomination case file for reference 82004614 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Glenn County	All 3 listed properties in this county.

Provenance

Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.