Donner Summit Bridge - 1925-26 - Donner Pass, CA - Bridge Date Stones and Plaques on Waymarking.com

This bridge dedication plaque contains the construction dates for the Donner Summit Bridge of 1925 to 1926.

Before the Donner Summit Bridge (Rainbow Bridge) was built the old Lincoln Highway wound steeply down Donner Summit with grades as high as 18%. The new alignment of the Lincoln Highway, of which the Donner Summit Bridge was part of resulted in maximum grades of 7%. The Donner Summit Bridge was a common design for the 1920’s but was also unique because it had a grade and a compound curve which had never been done before.

Full Inscription of plaque:
DONNER SVMMIT BRIDGE
DEDICATED TO THE PIONEERS WHO BLAZED THE
OVERLAND TRAIL THROVGH THESE MOUNTAINS
BVILT BY THE U.S. BVREAV OF PVBLIC ROADS AND THE
1925 — CALIFORNIA HIGHWAY COMMISSION — 1926
THIS TABLET PLACED BY THE HISTORIC LANDMARKS COMMITTEE
OF THE NATIVE SONS OF THE GOLDEN WEST

Date built or dedicated as indicated on the date stone or plaque.: 1925-1926 Date stone, plaque location.: Pillar at northeast corner of bridge Road, body of water, land feature, etc. that the bridge spans.: Intermittent drainage in glaciated granitic terrain Website (if available): [Web Link] Parking (safe parking location): N 39° 19.114 W 120° 19.120

Visit Instructions:
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