Foundation pit for V-shaped piers for bridge, with protruding reinforced concrete piles/piers to be capped by pier. Structural steel interlocking sheet piles support soil around pit, with supplemental structural steel horizontal wales and cross pit bracing from steel pipes. In distance on left are completed east side of bridge and its piers and west side piers still under construction. In right background are field cast reinforced concrete modules from which bridge piers are being constructed. Woodrow Wilson Bridge replacement, Potomac River between Virginia and Maryland, Capitol Beltway, I-95/I-495. November 2006.