Trail crosses stream in open space park on side trail along Four Mile Run in Arlington, Virginia
Photo by: Stuart Macdonald
Bridges And Boardwalks
Concrete trail meets grade of concrete bridge with expansion joint in San Diego's Balboa Park at the Park Boulevard Overpass.
Planked walk is almost a bridge crossing a small wetland adjacent to Little Dry Creek Trail in Arvada, Colorado
Steel plate fills the vertical gap between sections; Seattle, Washington
Steel trail bridge over river in Pisgah National Forest near Asheville, North Carolina
Non-skid metal surface on boardwalk anchors wood chip trails; Arboretum Waterfront Trail in Seattle, Washington
The sharp contrast of Redding's Sundial Bridge against an overcast winter sky.