This August 1938 cover photo shows workers atop a huge steel member of the cable tieback system during the erection of the Arrigoni Bridge over the Connecticut River between Middletown and Portland, Conn.

This 1933 cover photo shows workers maneuvering a bomb into position on a platform in San Francisco Bay, at a very early stage of the Golden Gate Bridge project.

Coping with the titanic force of America’s largest river is one of the U.S. Army Corps of Engineers’ perpetual responsibilities.

This June 1944 cover image shows a Navy Seabee driving a bulldozer out from the hold of a landing craft onto the beach of an unnamed Pacific island.

Bulldozers come first. This slogan crystallizes the role that engineering and construction played in World War II, where combatants were far more mobile than in previous conflicts.

This 1944 cover image is one of the first photos to be published of a Bailey Bridge, a piece of equipment that proved invaluable to the Allies in World War II, and has since gone into wide use globally.

With German forces having heavily fortified the French coast and every French port by the middle of 1944 during World War II, the Allies faced the difficult problem of how to unload all the troops, weapons, ammunition, fuel and other supplies on the Normandy beachheads.

This 1946 cover photo shows a stereoplanigraph, described as “one of the most universal and elaborate photomapping instruments ever constructed.”

One of the most notable reporting trips by an ENR editor took place in 1962 when ENR Editor-in-Chief Waldo G. Bowman attended the 29th Executive Meeting of the International Commission on Large Dams—held in Moscow—as a member of the U.S. delegation.

This cover photo shows Chinese engineers constructing a hand-made wooden bridge across the Tanai Hka River in Myanmar, then known as Burma.