Doran Memorial Bridge

[8] It won the Medium Span, High Clearance category in the 1970 AISC steel bridges contest.

[9] Markers commemorating Eugene A. Doran and the AISC award are at the Crystal Springs Safety Roadside Rest Area off northbound I-280, approximately 1⁄2 mile (0.80 km) north of the bridge itself.

[12] The bridge was designed by Caltrans architect Warren S. Ludlow, engineers Robert Cassano and Delmar Janson, with assistance from Mario J.

[1] They use modified Gothic arches;[16] the finish was left in the natural concrete color, and the surfaces were contoured to help them blend into their surroundings.

[3] To minimize impact on the gorge below, materials were lowered from a "high line" built between towers on the adjoining cliffs.

1964 bridge model with Crystal Springs Dam