Cable & Arch Structures

Hoover Dam Bypass Bridge
Clark County, Nevada
(2005 to present)

Cast-in-place segmental concrete arch to support 1,060-foot main span superstructure.

Woodrow Wilson Memorial Bridge
Washington, D.C.
(1999 to present)

6,000-foot long replacement structure for the Woodrow Wilson Memorial Bridge. Utilized innovative precast ‘V’ piers to support steel girder superstructure.

Sidney Lanier Bridge Replacement
Brunswick, Georgia
(1997 to 2002)

A cast-in-place cable-stayed bridge with a main span of 1,250 foot and two side spans of 623 foot each.
 

Crooked River Bridge
Terrebonne, Oregon
(1999)

A cast-in-place concrete arch bridge spanning 535 feet, with an arch span of 410 feet, 295 feet above the Crooked River.

C & D Canal Bridge, SR 1
Wilmington, Delaware
(1993-1995)

A 4,700 foot precast concrete segmental bridge with a 750’ cables-stayed main span.
 

Natchez Trace Parkway
Franklin, Tennessee
(1991 to 1993)

The bridge consists of two arches spanning 582 foot and 462 foot. These arches, along with intermediate piers, support the precast segmental box built in balanced cantilever.