Complex sentence: The original bridge, a steel cantilever bridge, was designed by Robinson & Steinman and dedicated on May 21,1927; costing eight million dollars to build, it was the first major bridge in the San Francisco Bay Area.
Split into simpler sentences: The original bridge, a steel cantilever bridge, was designed by Robinson & Steinman and dedicated on May 21,1927. It cost $8 million to build and was the first major bridge in the San Francisco Bay Area.