Mike O’Callaghan–Pat Tillman Memorial Bridge | Boulder City

The Mike O’Callaghan–Pat Tillman Memorial Bridge is a concrete arch bridge spanning the Colorado River, located near Boulder City, Nevada.

It carries U.S. Route 93 across the Black Canyon, connecting Arizona and Nevada.

Visual Characteristics

The bridge is a concrete arch structure with a total length of 1,900 feet (580 meters). Its deck is 98 feet (30 meters) wide. The main arch spans 1,060 feet (320 meters) and rises 140 feet (43 meters) above the deck. The deck itself is elevated 840 feet (260 meters) above the Colorado River. The bridge's color is a neutral concrete gray.

Location & Access Logistics

The bridge is situated approximately 30 miles (48 km) southeast of Las Vegas, Nevada, adjacent to the Hoover Dam. Access is via U.S. Route 93. There is a dedicated parking area on the Nevada side of the bridge, offering pedestrian access to the bridge's walkway. No public transport directly serves the bridge; visitors typically arrive by private vehicle from Las Vegas or Boulder City.

Historical & Ecological Origin

Construction of the bridge began in 2005 and was completed in 2010. It was designed by the Federal Highway Administration and built by a consortium of construction companies. The bridge was conceived to reroute U.S. Route 93 traffic away from the Hoover Dam, improving traffic flow and security. The area is characterized by desert scrubland and the Black Canyon, a geological formation carved by the Colorado River.

Key Highlights & Activities

Pedestrian access is permitted on the designated walkway along the east side of the bridge. Visitors can walk across the bridge to observe the Hoover Dam and the Colorado River from an elevated perspective. Photography of the dam and the canyon is a primary activity. No other recreational activities are permitted on the bridge itself.

Infrastructure & Amenities

Restrooms are available at the parking area on the Nevada side. Shade is limited to the pedestrian walkway's overhang. Cell phone signal (4G/5G) is generally available. Food vendors are not present at the bridge; visitors should plan to bring their own provisions or utilize facilities in Boulder City or at the Hoover Dam Visitor Center.

Best Time to Visit

For photography, early morning or late afternoon provides optimal lighting conditions, minimizing harsh shadows. The best months for visiting are generally October through April, when temperatures are milder. Summer months (June-August) can experience extreme heat, making extended outdoor activity uncomfortable.

Facts & Legends

The bridge was named in honor of U.S. Army Captain Mike O’Callaghan, a medic who served in Vietnam, and former NFL player and U.S. Army Ranger Pat Tillman. A specific visitor tip is to note the expansion joints on the bridge deck; these are designed to accommodate thermal expansion and contraction.

Nearby Landmarks

• Hoover Dam (0.5km East)
• Lake Mead National Recreation Area (1km North)
• Boulder City (8km Northwest)
• Colorado River (Directly below)
• Black Canyon (Directly below)