Footage of the Golden Gate Bridge under construction in San Francisco. Shot of the partially completed bridge with a tower raised on each end of the channel. Boats pass in the foreground. Two men in suits look out over the construction site. Men work a cement mixer. Shot of one of the towers taken from the base. A man climbs p a structure into a small hatch. Shot from the top of one of the towers. Footage of cable spinning wheels putting in the suspension cables. Footage of the bridge nearly complete.