Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Steel continuous [4] Box beam or girders - Multiple [05]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 581 m = 1906.3 ft
Main Spans: 1 at 332.2 m = 1089.9 ft
Approach Spans: 7
Skew: 0
Width, Roadway: 22.4 m = 73.5 ft (4 Lanes) and Out-To-Out: 26.8 m = 87.9 ft for a 22.4 m = 73.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Lake Mead National Recreation Area [38980]: Clark County [003], Nevada [32]
Owned by State Highway Agency [01], DOT District: 1
HOOVER DAM AREA
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 48.6 metric ton = 53.5 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 37.6 metric ton = 41.4 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Inspections
Date: January 1999 [199] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.4 km = 0.2 mi
Traffic
ADT: 20000 (2017) and Trucks: 26%
Future ADT: 30000 (In 2040
)