Legislation authorizing a second bridge across the Arkansas River now waits for Governor Stitts signature.House Bill 2123 aims to alleviate traffic as development explodes south of the river in Bixby. Currently, getting to and from South Bixby isn't easy for drivers."Coming from Tulsa, you really have one way in, and one way out. That's Memorial Drive," Bixby Mayor Brad Girard said.WATCH: 'We've got to keep this momentum': Bixby bridge bill head…