Almanac note · History and culture
Foresthill Bridge is a huge clue to a dam that never arrived
Foresthill Bridge rises 720 feet above the valley floor and carries a big piece of the Auburn Dam story, even though the dam itself was never finished.
Foresthill Bridge is easy to notice because it is so high. It rises about 720 feet above the valley floor, and the steel truss stretches 2,428 feet across the canyon between Auburn and Foresthill.
The Auburn Dam story adds the second layer. The bridge was tied to the Auburn-Folsom South Unit Project, which planned for a major dam on the American River. The dam was not completed, but the bridge stayed, carrying Foresthill Road high above the canyon.
The place has a strange, useful history. You can stand near the bridge and see a real structure from a future California once expected to build: more dams, more water projects, and more big engineering in the foothills. The road still works, even though the larger plan changed.
If you visit, treat it like a canyon and traffic area first. Use legal parking, stay behind barriers, and connect it with Auburn State Recreation Area only through marked access. The story is big enough without needing to get close to the edge.
Where to see it
Foresthill Road between Auburn and Foresthill, with nearby access through Auburn State Recreation Area. Use posted parking and trail rules.
Official sources
Official source trail
Reviewed July 1, 2026
California Porch explains the path. The official source is still the place to confirm the current rule, fee, form, map, deadline, or office decision.
Use the official page before you spend money, file paperwork, rely on a deadline, or change a property.
Connected places
Where it fits on the map
Open a place page for the county layer, nearby places, and other California entries tied to that local page.
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