Nevada State Route 172
Encyclopedia
State Route 172 is a state highway in Clark County
, Nevada
. The route provides access to Hoover Dam
from U.S. Route 93
(US 93).
. From there, the route travels eastward, following the curvy mountainside headed towards Hoover Dam. The SR 172 designation ends 1.61 miles (2.6 km) west of the Arizona
state line at the Hoover Dam security checkpoint. While the state highway ends at this point, the Hoover Dam Access Road continues eastward, passing the Mike O'Callaghan – Pat Tillman Memorial Bridge Plaza and ending at the Hoover Dam visitor center.
when construction was completed in October 2010, and the new state highway was designated over the old route.
Clark County, Nevada
-Demographics:As of the census of 2000, there were 1,375,765 people, 512,253 households, and 339,693 families residing within the MSA. The racial makeup of the MSA was 71.6% White , 9.1% Black, 5.7% Asian, 0.8% American Indian and 12.8% of other or mixed race. 22.0% were Hispanic of any race...
, Nevada
Nevada
Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...
. The route provides access to Hoover Dam
Hoover Dam
Hoover Dam, once known as Boulder Dam, is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the border between the US states of Arizona and Nevada. It was constructed between 1931 and 1936 during the Great Depression and was dedicated on September 30, 1935, by President...
from U.S. Route 93
U.S. Route 93 in Nevada
In the U.S. state of Nevada, U.S. Route 93 is a major U.S. highway traversing the eastern edge of the state. The highway connects the Las Vegas area to the Great Basin National Park, and provides further connections to Ely and Wells...
(US 93).
Route description
State Route 172 begins at an interchange with US 93 approximately 5 miles (8 km) northeast of downtown Boulder CityBoulder City, Nevada
Boulder City is a city in Clark County, Nevada, United States. It is approximately from the City of Las Vegas. As of the 2010 census the population of Boulder City was 15,023.Boulder City is one of only two cities in Nevada that prohibit gambling....
. From there, the route travels eastward, following the curvy mountainside headed towards Hoover Dam. The SR 172 designation ends 1.61 miles (2.6 km) west of the Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...
state line at the Hoover Dam security checkpoint. While the state highway ends at this point, the Hoover Dam Access Road continues eastward, passing the Mike O'Callaghan – Pat Tillman Memorial Bridge Plaza and ending at the Hoover Dam visitor center.
History
SR 172 was originally part of US 93. US 93 was rerouted onto the Hoover Dam BypassHoover Dam Bypass
The Mike O'Callaghan – Pat Tillman Memorial Bridge, the key component to the Hoover Dam Bypass project, was the first concrete-steel composite arch bridge built in the United States, and it incorporates the longest concrete arch bridge in the Western Hemisphere. Opened on October 19, 2010,...
when construction was completed in October 2010, and the new state highway was designated over the old route.