MENDOCINO CO., 12/16/25 – The Jack Peters Bridge on state Highway 1 in Mendocino is officially open to two-way traffic after a yearlong construction project led to closures, delays and inconvenience for drivers.
Caltrans announced Tuesday that the bridge reopened to two-way traffic Friday, a change that had already been noted in social media posts.
The bridge was the subject of a $15.5 million Caltrans project to widen the structure, upgrade its railings and install a pedestrian walkway.
The bridge is the main conduit connecting Mendocino, Caspar and Fort Bragg. Caltrans regularly closed the bridge — often at night — requiring drivers to cancel plans or commute via state Highway 20, Comptche-Ukiah Road or a patchwork of back roads.
“Located on Route 1 near the community of Mendocino, the bridge, built in 1939, has undergone significant improvements,” Caltrans said in its announcement. “The structure has been expanded to include two 12-foot lanes, two 6-foot shoulders and a 6-foot pedestrian walkway, making it more accessible and safer for everyone.”
More information about the project is available at https://dot.ca.gov/caltrans-near-me/district-1/d1-projects/jackpetersbridgewidening.