We surveyed all 50 state Departments of Transportation (DOT) and the District of Columbia’s DOT for the Better Roads Annual Bridge Inventory. In doing so, we took a look at what causes the most damage to bridges. Here’s what the DOTs said:
Key: (A)ge (C)orrosion (T)raffic (O)ther
Delaware AC
Maryland AC
South Carolina ACT
North Carolina ACT
Arizona ACT
New Mexico AO
Alabama AT
North Dakota AT
Montana C
New York CA
Rhode Island CA
Utah CA
District Of Columbia CA
Missouri CAT
Oklahoma CAT
Arkansas CAT
Hawaii CAT
South Dakota CATO
Virginia COTA
West Virginia COTA
Nebraska CTA
Kentucky CTAO
Texas CTOA
Minnesota O
Colorado O
Ohio OCAT
Washington OCTA
Louisiana OTCA
California TAC
Florida TC
Kansas TCO
Source: 2014 Better Roads Bridge Inventory