[Fig. (Untitled)] Percentage of Bridges in Poor Condition [Fig. (Untitled): Sources: American Road and Transportation Builders Association, American Society of Civil Engineers] One-third of bridges in the United States are now in need of repair or replacement. Percentage of Dams Considered Hazardous [Fig. (Untitled): Sources: National Inventory of Dams, National Performance of Dams Program] Since 1980, there has been an average of 10 dam failures per year. Number of High-Risk...
[Fig. (Untitled)] Percentage of Bridges in Poor Condition [Fig. (Untitled): Sources: American Road and Transportation Builders Association, American Society of Civil Engineers] One-third of bridges in the United States are now in need of repair or replacement. Percentage of Dams Considered Hazardous [Fig. (Untitled): Sources: National Inventory of Dams, National...
[Fig. (Untitled)] Percentage of Bridges in Poor Condition [Fig. (Untitled): Sources: American Road and Transportation Builders Association, American Society of Civil Engineers] One-third of bridges in the United States are now in need of repair or replacement. Percentage of Dams...