Article and photographs by Divi Logan with Assistance from Copilot Smart AI. 31 March 2026. Orientation of the northwest bridge tender's house as viewed from a window in the southwest bridge house (the museum location). 2 June 2019. On the foundation of the northwest house is the geodetic disc stamped C135 1947. 1. What is… Continue reading USC&G Benchmark C135 1947 on the DuSable Bridge in Chicago. Field Notes for Civil Engineers and Bridge Crews.
Locomotives in the Lead. Help from Artificial Intelligence Plays a Role in Infrastructure Documentation. AI and Photography Create a Record of America’s Railroad Heritage. Organizing Field Notes with the Help of AI.
Lake Street Bridge. A Road, Rail, and Pedestrian Bridge in Chicago’s Infrastructure History. A Photographic Collection. Part One: Superstructure, Bridge Tender’s Houses, and Substructures.
Divi Logan presents a detailed overview of the Lake Street Bridge, highlighting its structure, design, and operational components. The bridge, built in 1916, features a divided Warren Truss style and includes essential elements like superstructures, tender houses, and lateral bracing. It serves as a vital connection for urban transit and public safety.
Frame the Works 