U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000


Skip to content U.S. Department of Transportation/Federal Highway AdministrationU.S. Department of Transportation/Federal Highway Administration

Bridges & Structures

Structure Type by State 1997

Note: The "10 Year Rule" was applied in the determination of deficiency status within these data tables. The "10 Year Rule" excludes bridges built or reconstructed within the past 10 years since they are not generally eligible for Highway Bridge Program funding.

  • Columns on some of the wide tables may be not be visible. Use the scroll bar at the bottom of the table or swipe to view columns to the right.
COUNT OF BRIDGES BY STRUCTURE TYPE AS OF 1997
State Slab Stringer /Multi-Beam or Girder Girder & Floorbeam System Tee Beam Box Beam or Girders (Multiple) Box Beam or Girders (Single or Spread) Frame (Except Culverts) Orthotropic Truss-Deck Truss-Thru Arch-Deck Arch-Thru Suspension Stayed Girder Movable-Lift Movable-Bascule Movable-Swing Tunnel Culvert Mixed Types Segmental Box Girder Channel Beam Other
ALABAMA 882 5,988 338 1,964 138 7 418 0 29 150 33 6 1 0 1 2 0 1 5,275 0 1 251 30
ALASKA 16 931 12 212 46 3 0 10 10 37 5 0 0 2 0 0 0 0 42 0 0 0 25
ARIZONA 982 1,112 34 189 295 358 76 0 7 29 34 3 0 0 0 0 0 0 3,488 0 0 11 6
ARKANSAS 1,861 5,014 81 608 36 0 9 308 21 260 63 7 2 0 1 1 0 12 2,326 0 460 1,375 4
CALIFORNIA 5,360 4,095 41 3,305 6,553 18 11 2 55 275 335 7 10 0 4 14 18 5 3,039 2 0 0 26
COLORADO 272 3,811 108 1,546 206 219 69 1 10 138 46 5 1 0 0 0 0 0 1,426 0 16 1 9
CONNECTICUT 474 2,273 63 151 209 67 121 1 5 38 152 1 0 0 1 10 5 0 559 0 2 9 2
DELAWARE 62 345 14 5 107 0 20 0 2 11 29 2 2 1 0 9 2 0 217 0 0 0 0
DIST. OF COL. 3 128 30 5 19 4 24 1 2 0 17 0 0 0 0 0 1 13 0 0 0 0 0
FLORIDA 3,053 4,817 87 331 16 63 22 1 0 14 41 3 1 3 5 140 11 0 2,016 0 34 303 4
GEORGIA 1,191 5,316 47 2,106 265 103 0 0 3 60 52 1 0 1 1 3 2 3 5,115 2 0 0 0
HAWAII 197 254 35 254 110 0 18 0 4 6 29 6 0 0 0 0 0 8 137 0 0 0 1
IDAHO 241 1,985 67 987 87 7 460 0 5 133 16 0 2 0 1 0 0 0 83 0 4 4 11
ILLINOIS 2,743 7,966 289 874 6,868 54 62 3 25 642 96 14 3 4 7 55 3 6 3,716 0 4 1,364 456
INDIANA 2,859 6,740 290 90 4,085 383 48 0 12 780 1,020 12 0 0 0 4 0 0 1,073 0 13 461 0
IOWA 3,959 13,991 341 1,098 81 11 23 0 17 2,003 161 23 3 2 0 0 2 0 2,838 0 1 112 62
KANSAS 4,451 9,438 607 1,503 397 5 94 0 27 1,014 365 58 0 0 0 0 0 0 7,081 0 0 2 875
KENTUCKY 785 3,506 183 2,781 2,544 87 17 0 13 276 39 9 2 0 0 1 0 1 2,726 0 3 234 12
LOUISIANA 4,750 5,639 146 453 72 0 0 0 4 53 17 0 0 1 44 13 98 3 2,056 0 0 109 5
MAINE 312 1,034 74 406 5 1 49 0 8 85 38 4 4 0 2 1 10 0 309 0 0 0 1
MARYLAND 367 2,564 87 185 118 21 78 0 10 104 182 12 2 2 0 21 3 0 1,031 1 0 1 52
MASSACHUSETTS 428 3,004 214 256 170 30 95 0 22 142 322 8 1 0 0 25 8 14 275 0 1 0 2
MICHIGAN 546 5,479 188 880 1,839 44 40 2 14 216 119 15 1 0 1 21 4 0 1,116 0 14 0 68
MINNESOTA 1,680 5,770 127 294 73 0 30 0 10 383 92 5 1 0 2 1 2 0 4,133 0 0 1 3
MISSISSIPPI 732 8,364 213 109 275 45 67 0 15 122 22 0 0 0 2 10 4 4 2,456 0 1 4,160 51
MISSOURI 2,323 11,724 487 1,425 398 7 33 1 14 2,050 113 15 9 2 0 0 0 0 4,293 0 0 2 29
MONTANA 292 3,545 100 524 12 0 11 0 14 251 12 0 1 0 0 0 0 0 152 0 0 4 41
NEBRASKA 1,556 8,825 687 550 51 1 15 0 6 1,278 62 0 0 0 0 0 0 0 2,527 0 1 17 1
NEVADA 177 217 10 43 319 11 38 0 3 3 11 1 0 0 0 0 0 0 461 0 0 0 3
NEW HAMPSHIRE 168 1,379 50 92 6 0 240 0 6 73 57 4 0 0 2 3 0 0 224 0 0 7 26
NEW JERSEY 427 3,785 317 82 563 25 121 0 11 211 291 2 2 0 10 41 15 1 351 0 0 1 26
NEW MEXICO 322 1,430 8 59 61 8 14 0 14 35 5 1 0 0 0 0 0 0 1,609 0 0 42 0
NEW YORK 1,084 10,130 792 230 1,050 23 655 3 43 754 730 22 19 0 23 36 10 2 1,702 0 2 6 71
NORTH CAROLINA 1,290 9,342 431 818 19 5 28 0 4 84 50 1 0 0 1 6 14 0 3,815 0 1 447 1
NORTH DAKOTA 111 2,017 21 364 216 510 0 0 1 287 2 1 0 0 0 0 0 0 704 0 0 332 7
OHIO 4,805 12,205 719 847 4,742 0 326 0 74 1,738 455 30 4 0 5 5 3 0 1,517 0 0 0 334
OKLAHOMA 2,424 11,854 213 575 35 13 55 0 12 1,310 126 3 0 0 0 0 0 4 6,185 0 0 0 30
OREGON 1,940 2,510 171 979 591 67 301 5 46 196 51 15 4 0 7 8 4 0 222 1 0 83 19
PENNSYLVANIA 1,208 8,252 862 2,601 3,164 1,750 224 2 65 969 970 28 12 0 1 3 1 5 1,630 367 0 23 122
RHODE ISLAND 65 446 17 18 38 0 24 0 1 15 78 2 2 0 0 0 1 0 27 0 1 0 3
SOUTH CAROLINA 3,986 2,745 23 992 17 1 4 0 1 67 54 0 0 0 0 3 7 2 1,088 0 2 0 17
SOUTH DAKOTA 1,315 2,461 35 656 39 4 17 0 13 324 30 2 0 0 0 0 0 0 913 0 0 253 0
TENNESSEE 214 7,856 10 13 813 1,133 48 0 12 132 202 3 0 0 0 0 0 0 7,504 0 0 1,100 0
TEXAS 5,029 20,810 94 1,418 1,750 49 53 5 51 739 78 3 4 0 2 1 8 0 16,779 0 0 0 683
UTAH 125 1,435 12 341 44 0 226 0 2 29 15 3 0 0 0 0 0 0 447 0 0 0 6
VERMONT 348 1,560 73 325 8 0 15 0 9 155 26 10 0 0 0 2 0 0 160 0 0 0 4
VIRGINIA 1,426 6,614 144 1,062 203 14 105 0 15 216 107 9 0 1 3 6 11 1 2,561 0 1 0 7
WASHINGTON 1,276 2,838 130 1,296 276 434 140 1 31 192 207 27 4 5 35 11 7 0 133 0 0 306 33
WEST VIRGINIA 591 2,703 414 165 1,156 35 20 1 43 339 536 6 6 2 0 0 0 0 396 0 13 137 27
WISCONSIN 3,550 6,851 197 2 102 0 87 0 17 273 119 8 0 0 7 40 0 0 1,699 0 0 255 4
WYOMING 473 1,488 52 417 43 3 27 0 11 70 5 4 0 0 0 0 1 0 393 0 0 9 4
PUERTO RICO 410 904 33 213 39 5 27 0 9 9 19 1 0 0 1 0 0 0 272 0 1 1 4
TOTALS 75,141 255,490 9,818 36,699 40,369 5,628 4,705 347 858 18,770 7,736 402 103 26 169 496 255 85 110,297 373 576 11,423 3,207


Count of Structurally Deficient Bridges by Structure Type, 12/1997
State Slab Stringer /Multi-Beam or Girder Girder & Floorbeam System Tee Beam Box Beam or Girders (Multiple) Box Beam or Girders (Single or Spread) Frame (Except Culverts) Orthotropic Truss-Deck Truss-Thru Arch-Deck Arch-Thru Suspension Stayed Girder Movable-Lift Movable-Bascule Movable-Swing Tunnel Culvert Mixed Types Segmental Box Girder Channel Beam Other
ALABAMA 192 1,719 45 158 34 0 138 0 20 111 7 0 0 0 0 1 0 0 321 0 0 11 15
ALASKA 0 121 2 6 0 0 0 1 4 9 1 0 0 0 0 0 0 0 2 0 0 0 9
ARIZONA 36 84 6 10 5 1 2 0 3 13 8 0 0 0 0 0 0 0 20 0 0 0 1
ARKANSAS 99 1,299 18 27 0 0 0 29 10 109 13 2 2 0 1 1 0 0 26 0 13 103 1
CALIFORNIA 213 531 3 275 105 0 0 0 15 125 55 4 4 0 2 6 2 0 23 0 0 0 2
COLORADO 11 466 39 89 4 3 0 0 4 56 7 0 0 0 0 0 0 0 21 0 0 0 3
CONNECTICUT 46 212 19 31 2 0 13 0 0 15 20 0 0 0 0 8 1 0 13 0 0 0 1
DELAWARE 5 35 6 1 9 0 0 0 0 4 3 0 0 0 0 0 1 0 6 0 0 0 0
DIST. OF COL. 0 19 9 0 3 2 2 0 1 0 5 0 0 0 0 0 0 0 0 0 0 0 0
FLORIDA 95 131 2 21 0 0 0 0 0 2 4 0 0 0 0 11 2 0 32 0 0 14 0
GEORGIA 408 1,284 20 128 4 1 0 0 1 50 17 0 0 0 1 0 2 0 126 0 0 0 0
HAWAII 19 42 5 42 4 0 1 0 3 3 7 0 0 0 0 0 0 0 8 0 0 0 0
IDAHO 18 166 10 55 0 0 7 0 0 77 3 0 1 0 1 0 0 0 6 0 0 1 0
ILLINOIS 410 1,646 104 216 260 3 6 0 11 498 41 4 1 0 4 22 1 4 111 0 0 66 135
INDIANA 221 1,106 133 23 232 9 10 0 6 494 249 2 0 0 0 1 0 0 52 0 0 103 0
IOWA 203 2,911 94 97 6 0 0 0 12 1,174 21 11 0 0 0 0 0 0 61 0 0 13 7
KANSAS 306 1,965 163 121 6 3 2 0 11 751 73 17 0 0 0 0 0 0 177 0 0 1 251
KENTUCKY 104 717 19 192 72 1 0 0 4 175 8 4 0 0 0 0 0 0 67 0 0 22 2
LOUISIANA 319 2,208 21 103 0 0 0 0 2 30 3 0 0 0 5 5 41 0 40 0 0 22 1
MAINE 28 162 34 80 0 1 3 0 1 38 6 3 4 0 1 1 3 0 39 0 0 0 0
MARYLAND 41 277 23 33 8 0 2 0 2 33 38 2 0 0 0 2 0 0 42 0 0 1 13
MASSACHUSETTS 33 364 79 62 6 1 4 0 6 68 43 3 1 0 0 14 5 2 10 0 0 0 0
MICHIGAN 57 1,473 53 127 69 1 5 0 2 184 41 5 0 0 0 5 2 0 59 0 8 0 19
MINNESOTA 119 819 54 100 10 0 3 0 6 275 25 0 0 0 1 0 2 0 121 0 0 1 0
MISSISSIPPI 111 3,436 147 26 1 0 2 0 13 97 4 0 0 0 1 1 2 0 10 0 0 595 20
MISSOURI 541 4,126 252 279 59 1 8 0 7 1,717 34 2 5 0 0 0 0 0 137 0 0 0 16
MONTANA 14 337 10 21 0 0 0 0 4 165 2 0 0 0 0 0 0 0 8 0 0 1 26
NEBRASKA 79 2,213 407 10 6 0 1 0 0 954 19 0 0 0 0 0 0 0 27 0 0 0 0
NEVADA 4 34 0 1 5 0 0 0 2 1 3 0 0 0 0 0 0 0 4 0 0 0 0
NEW HAMPSHIRE 8 186 18 15 1 0 4 0 3 29 5 3 0 0 1 2 0 0 16 0 0 2 15
NEW JERSEY 53 584 171 26 17 0 10 0 4 132 68 0 0 0 5 33 11 0 11 0 0 0 11
NEW MEXICO 20 217 3 3 3 1 0 0 6 14 0 1 0 0 0 0 0 0 12 0 0 8 0
NEW YORK 512 5,520 663 174 184 5 304 2 32 569 426 14 13 0 19 21 6 1 388 0 2 5 55
NORTH CAROLINA 51 2,026 297 207 1 1 1 0 2 67 13 0 0 0 0 1 8 0 83 0 0 247 0
NORTH DAKOTA 10 638 4 17 12 2 0 0 1 220 1 0 0 0 0 0 0 0 11 0 0 14 1
OHIO 548 1,718 266 217 53 0 18 0 31 724 137 16 2 0 2 3 1 0 110 0 0 0 114
OKLAHOMA 940 5,740 65 74 0 0 5 0 8 1,085 64 3 0 0 0 0 0 0 138 0 0 0 14
OREGON 59 230 16 33 5 0 10 0 5 52 7 3 1 0 1 1 1 0 1 0 0 10 2
PENNSYLVANIA 223 2,271 407 938 280 153 18 1 29 651 317 13 3 0 0 1 0 0 85 108 0 4 65
RHODE ISLAND 12 110 11 10 3 0 0 0 1 5 17 0 0 0 0 0 1 0 3 0 0 0 0
SOUTH CAROLINA 450 441 13 86 0 0 0 0 0 43 5 0 0 0 0 1 3 0 16 0 0 0 14
SOUTH DAKOTA 71 730 7 27 4 1 0 0 11 230 7 0 0 0 0 0 0 0 53 0 0 19 0
TENNESSEE 38 1,494 1 0 52 5 0 0 6 75 44 0 0 0 0 0 0 0 128 0 0 332 0
TEXAS 402 2,560 34 127 15 2 3 0 30 633 7 0 2 0 0 1 1 0 171 0 0 0 115
UTAH 17 219 3 35 7 0 17 0 1 17 2 0 0 0 0 0 0 0 14 0 0 0 0
VERMONT 17 327 33 88 3 0 0 0 0 116 6 7 0 0 0 1 0 0 5 0 0 0 1
VIRGINIA 96 638 56 153 8 0 6 0 11 149 29 3 0 0 1 1 5 0 68 0 0 0 1
WASHINGTON 53 234 9 65 11 36 4 0 5 53 27 2 2 0 5 1 3 0 0 0 0 17 4
WEST VIRGINIA 129 555 147 67 35 0 1 0 19 219 184 2 5 0 0 0 0 0 20 0 2 28 9
WISCONSIN 283 1,306 90 0 39 0 19 0 3 164 37 1 0 0 1 12 0 0 73 0 0 31 0
WYOMING 14 230 14 48 2 0 1 0 3 42 0 2 0 0 0 0 1 0 8 0 0 0 2
PUERTO RICO 48 98 13 28 1 0 0 0 8 5 3 0 0 0 0 0 0 0 21 0 0 0 2
TOTALS 7,786 57,975 4,118 4,772 1,646 233 630 33 369 12,522 2,166 129 46 0 52 157 105 7 3,004 108 25 1,671 947


Count of Functionally Obsolete Bridges by Structure Type, 12/1997
State Slab Stringer /Multi-Beam or Girder Girder & Floorbeam System Tee Beam Box Beam or Girders (Multiple) Box Beam or Girders (Single or Spread) Frame (Except Culverts) Orthotropic Truss-Deck Truss-Thru Arch-Deck Arch-Thru Suspension Stayed Girder Movable-Lift Movable-Bascule Movable-Swing Tunnel Culvert Mixed Types Segmental Box Girder Channel Beam Other
ALABAMA 141 895 43 715 23 3 114 0 5 22 18 3 0 0 0 0 0 1 158 0 0 15 3
ALASKA 3 182 0 18 8 0 0 5 0 13 0 0 0 0 0 0 0 0 3 0 0 0 3
ARIZONA 127 144 10 37 11 20 26 0 1 10 4 0 0 0 0 0 0 0 56 0 0 1 0
ARKANSAS 299 821 21 156 4 0 0 57 3 48 20 0 0 0 0 0 0 6 35 0 8 167 1
CALIFORNIA 754 955 12 770 1,430 5 2 2 17 82 139 2 5 0 2 6 12 3 183 1 0 0 4
COLORADO 43 347 17 259 12 7 16 0 1 21 16 0 0 0 0 0 0 0 28 0 1 1 6
CONNECTICUT 96 437 12 40 45 6 53 1 1 7 60 0 0 0 0 0 1 0 25 0 0 0 0
DELAWARE 4 65 4 1 2 0 5 0 0 2 8 0 1 0 0 2 0 0 1 0 0 0 0
DIST. OF COL. 2 61 6 5 9 2 16 1 1 0 8 0 0 0 0 0 1 11 0 0 0 0 0
FLORIDA 664 836 27 144 5 4 2 0 0 4 27 2 0 0 2 63 9 0 156 0 0 111 2
GEORGIA 150 1,104 11 423 13 0 0 0 0 10 21 1 0 0 0 1 0 0 42 0 0 0 0
HAWAII 93 73 17 126 37 0 6 0 0 0 14 4 0 0 0 0 0 8 28 0 0 0 1
IDAHO 14 284 5 74 11 1 37 0 1 22 1 0 0 0 0 0 0 0 2 0 0 0 0
ILLINOIS 221 1,172 68 95 151 5 10 0 7 67 22 0 2 0 2 22 2 1 106 0 0 57 138
INDIANA 178 902 33 13 361 11 19 0 1 141 228 4 0 0 0 0 0 0 48 0 3 46 0
IOWA 204 1,694 50 65 15 1 4 0 3 378 37 3 3 1 0 0 2 0 120 0 0 0 7
KANSAS 358 1,703 197 171 195 0 17 0 11 167 65 23 0 0 0 0 0 0 371 0 0 0 269
KENTUCKY 252 641 25 1,058 401 10 3 0 6 71 13 3 2 0 0 1 0 0 330 0 1 23 1
LOUISIANA 661 1,008 41 181 24 0 0 0 0 8 3 0 0 0 17 2 24 3 236 0 0 5 1
MAINE 47 202 24 141 0 0 17 0 2 34 10 1 0 0 1 0 5 0 3 0 0 0 0
MARYLAND 74 565 21 72 33 10 26 0 3 26 79 5 1 1 0 8 2 0 33 0 0 0 15
MASSACHUSETTS 91 1,182 95 68 54 8 54 0 5 30 122 1 0 0 0 2 1 10 44 0 1 0 1
MICHIGAN 73 859 46 127 144 4 20 0 2 17 24 3 1 0 0 4 2 0 66 0 4 0 9
MINNESOTA 39 444 33 66 8 0 7 0 0 47 33 0 0 0 1 0 0 0 59 0 0 0 0
MISSISSIPPI 110 842 14 49 111 21 38 0 2 10 7 0 0 0 0 2 2 1 26 0 0 231 4
MISSOURI 399 1,135 61 277 113 1 12 0 0 131 40 4 2 1 0 0 0 0 202 0 0 0 5
MONTANA 79 377 38 38 2 0 0 0 1 35 2 0 1 0 0 0 0 0 4 0 0 0 7
NEBRASKA 50 767 103 13 8 0 5 0 2 114 8 0 0 0 0 0 0 0 20 0 0 0 0
NEVADA 33 18 4 6 58 0 25 0 0 1 0 0 0 0 0 0 0 0 6 0 0 0 0
NEW HAMPSHIRE 37 318 16 35 3 0 62 0 1 25 30 0 0 0 0 1 0 0 32 0 0 0 6
NEW JERSEY 79 957 72 20 96 5 38 0 2 41 67 0 2 0 2 0 2 0 19 0 0 0 5
NEW MEXICO 32 240 2 13 9 1 2 0 2 16 3 0 0 0 0 0 0 0 40 0 0 4 0
NEW YORK 65 741 19 18 61 2 180 0 1 21 168 1 1 0 1 4 0 0 50 0 0 0 4
NORTH CAROLINA 86 1,994 68 358 2 1 22 0 2 12 17 0 0 0 0 1 4 0 44 0 0 14 0
NORTH DAKOTA 7 253 0 18 6 9 0 0 0 40 1 1 0 0 0 0 0 0 7 0 0 4 1
OHIO 585 1,972 166 168 201 0 38 0 9 310 124 5 2 0 2 1 0 0 19 0 0 0 78
OKLAHOMA 198 789 21 29 3 0 26 0 0 90 29 0 0 0 0 0 0 3 260 0 0 0 1
OREGON 145 447 58 261 79 6 43 1 20 92 27 8 2 0 4 5 2 0 7 1 0 5 4
PENNSYLVANIA 173 1,537 203 487 369 118 107 1 17 177 347 9 5 0 0 0 1 3 77 54 0 2 26
RHODE ISLAND 11 115 0 2 12 0 15 0 0 3 18 1 2 0 0 0 0 0 4 0 0 0 0
SOUTH CAROLINA 159 342 7 302 1 0 0 0 1 16 12 0 0 0 0 1 3 0 34 0 0 0 0
SOUTH DAKOTA 86 226 7 10 5 0 0 0 1 59 2 0 0 0 0 0 0 0 12 0 0 7 0
TENNESSEE 45 1,719 5 4 83 47 9 0 3 36 85 2 0 0 0 0 0 0 477 0 0 116 0
TEXAS 1,295 3,702 21 344 444 9 38 0 6 53 29 1 0 0 1 0 3 0 864 0 0 0 118
UTAH 14 155 2 33 4 0 20 0 0 1 3 1 0 0 0 0 0 0 12 0 0 0 0
VERMONT 36 243 14 92 1 0 0 0 3 20 11 1 0 0 0 0 0 0 41 0 0 0 1
VIRGINIA 281 1,512 47 351 33 6 47 0 2 52 38 3 0 0 1 2 6 0 22 0 0 0 0
WASHINGTON 268 431 43 246 62 101 11 0 12 97 62 10 2 0 18 8 3 0 15 0 0 41 4
WEST VIRGINIA 208 569 107 51 113 11 4 0 9 70 216 1 0 0 0 0 0 0 40 0 4 54 6
WISCONSIN 149 658 28 0 22 0 18 0 2 37 19 1 0 0 5 11 0 0 15 0 0 6 1
WYOMING 76 95 10 56 3 0 11 0 2 14 2 0 0 0 0 0 0 0 5 0 0 1 1
PUERTO RICO 252 261 6 111 10 1 15 0 0 3 14 0 0 0 1 0 0 0 57 0 0 1 0
TOTALS 9,546 38,991 1,960 8,217 4,910 436 1,240 68 170 2,803 2,353 104 34 3 60 147 87 50 4,544 56 22 912 733
Updated: 10/08/2013
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000