National Register Listing

Gianella Bridge

a.k.a. Sacramento River Bridge at Hamilton City

CA 32, Hamilton City, CA
Local significance of the structure:
Engineering; Transportation

Listed in National Register of Historic Places in 1982.

The National Register of Historic Places is the official list of the Nation’s historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service’s National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America’s historic and archeological resources.

engineering transportation bridges
The San Francisco cable car system is the world's last manually operated cable car system. The system was built in 1873 and is a National Historic Landmark. The cable cars are a popular tourist attraction and are featured in many movies and TV shows.
California random facts
Glenn County is located in the northern part of the Central Valley of California. The area was originally home to Native American tribes such as the Wintun, Nomlaki, and Patwin. The first European settlers arrived in the 1840s, with the California Gold Rush bringing an influx of miners and settlers to the region.

In 1891, Glenn County was officially established. It was named after Dr. Hugh J. Glenn, a prominent California politician and businessman. The county's economy initially relied heavily on agriculture, particularly wheat farming. The fertile soil of the Central Valley allowed Glenn County to become a major wheat producer in the late 19th and early 20th centuries.

As the agricultural industry grew, so did the county's population. Communities like Willows and Orland became established, with businesses and infrastructure supporting the needs of the farming community. In the early 20th century, the introduction of irrigation and the expansion of crops such as almonds and rice further diversified the county's agriculture.

Throughout its history, Glenn County has faced challenges such as droughts, economic fluctuations, and changing agricultural practices. However, the county remains a significant agricultural region, known for its production of crops like rice, almonds, walnuts, and prunes. Glenn County also offers natural beauty, with parts of Mendocino National Forest and State Waterfowl Refuge located within its borders, attracting outdoor enthusiasts and wildlife enthusiasts alike.

This timeline provides a glimpse into the major events and milestones that have shaped the history of Glenn County, California.

  • 1843: The first European settlers arrive in the area that is now Glenn County.
  • 1844: John Bidwell explores the region and names several landmarks.
  • 1846: The Mexican-American War begins, and California comes under U.S. control.
  • 1848: The Gold Rush starts, attracting thousands of people to California.
  • 1850: California becomes a state, and the region is part of Colusi County.
  • 1856: The area is officially designated as part of the Colusi County township system.
  • 1861: The California State Legislature creates Glenn County, named after Dr. Hugh J. Glenn.
  • 1891: Orland becomes the county seat, replacing Willows.
  • 1903: The first railroad line, the Sacramento Northern Railroad, is completed in Willows.
  • 1924: The Bureau of Reclamation completes the Stony Gorge Dam and forms Stony Gorge Reservoir.
  • 1965: Thunderhill Raceway Park opens as a motorsports venue.
  • 1983: The Glenn Research Center is established by NASA in partnership with the county.