The Arizona Approach is the roadway leading from Arizona U.S. 93 to the new Colorado River bridge crossing (approximately 1500 feet downstream of the Hoover Dam). 

The Arizona Approach includes:

• 1.8  miles of four-lane roadway (two lanes in each direction divided by a concrete median)

• Sugarloaf Mountain Bridge – 900-foot bridge spanning a canyon on the east side of Sugarloaf Mountain

• Traffic Interchange at the intersection of the Bypass, the Hoover Dam Access Road and Kingman Wash Road

• Wildlife crossings at bridges

• Drainage improvements

• Trail access parking

• Staining of newly exposed rock cuts

With major construction on the Arizona Approach now finished, Phase I of the Hoover Dam Bypass is 100% complete.  See the most recent progress by visiting our Construction Photo page.