Gribblenation

  Old Sonoma Road is an approximately five-mile highway located in the Mayacamas Mountains of western Napa County.  The roadway is part of the original stage road which connected Napa Valley west to Mission San Francisco Solano as part of El Camino Real.  Much of Old Sonoma Road was bypassed by the start of the twentieth century by way of Sonoma Highway.  A portion of Old Sonoma Road over the 1896 Carneros Creek Bridge (pictured as the blog cover) was adopted as part of Legislative Route Number 8 upon voter approval of the 1909 First State Highway Bond Act.  The 1896 Carneros Creek Bridge served as a segment of California State Route 37 and California State Route 12 from 1934 through 1954.  Part 1; the history of Old Sonoma Road Old Sonoma Road has origins tied to the formation of Mission San Francisco Solano and the Spanish iteration of El Camino Real.  Mission San Francisco Solano was founded as the last and most northern Spanish Mission of Alta Cali...

The 1915 Fine Gold Creek Bridge is an early era arch concrete structure found alongside modern Madera County Road 200.  The structure was modeled as a smaller scale of the 1905 Pollasky Bridge (still in ruins at the San Joaquin River) and was one of many early twentieth century improvements to what was then known as the Fresno-Fresno Flats Road.  The 1915-era bridge was replaced with a modernized concrete span during 1947 but was never demolished.  The original concrete structure can be still found sitting in the brush north of the 2023 Fine Gold Creek Bridge.     Part 1; the history of the 1915 Fine Gold Creek Bridge The 1915 Fine Gold Creek Bridge lies near the site of the former mining community of Fine Gold.   Mining claims were staked at Fine Gold during the Mariposa War during 1850. The community was never very large but became a stopping point on the stage road between the original Fresno County seat at Millerton and Fresno Flats (now Oakh...

The Broadway Tunnel in San Francisco is a structure at Russian Hill which connects the neighborhood Chinatown to North Beach. The tunnel was included in the 1948 San Francisco Trafficways Plan as a connector between the Central Freeway and Embarcadero Freeway. The structure was completed in December 1952 and spans 1,616 feet through Russian Hill. The Broadway Tunnel was designated as the Robert C. Levy Tunnel in 1986. Part 1; the history of the Broadway Tunnel Following the discovery of gold at Sutter's Mill in 1848 San Francisco would see a major population boom.  The city would expand from the shores of San Francisco Bay inland towards the many steep hills.  The hills of San Francisco would prove to be a major hinderance towards the expansion of city.  Roads were generally plotted over the tops of hillsides and had steep grades.  Russian Hill in particular was one of the steepest and contained numerous streets with grades in excess of twenty percent.  Broad...