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Bridges & Structures

 

Bridge Replacement Unit Costs 2020

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using converted metric data

NHS POOR (SD)  |  non-NHS POOR (SD)  |  NHS and non-NHS POOR (SD)

ESTIMATED 2020 REPLACEMENT AND REHABILITATION COSTS OF POOR (STRUCTURALLY DEFICIENT (SD))
NATIONAL HIGHWAY SYSTEM (NHS) BRIDGES
State Total Number of POOR (SD) NHS Bridges 2020* Total Area of POOR (SD) NHS Bridges 2020 (ft²)* Replacement Unit Costs of NHS Bridges (dollars/ft²) Estimated 2020 Total Costs (dollars) Assuming Replacement of Total Number of POOR (SD) NHS Bridges Estimated 2020 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR (SD) NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
2018 Costs Collected in 2019 2019 Costs Collected in 2020 2020 Costs Collected in 2021 Cost Used For 2020 Estimates**
Alabama 38 366,748 97 110 120 109 39,975,508 27,183,345
Alaska 20 249,326 242   356 299 74,548,343 50,692,874
Arizona 23 412,771 133 393   263 108,558,712 73,819,924
Arkansas 66 1,321,625 138 239 172 183 241,857,418 164,463,044
California 440 14,354,556 293 288 292 291 4,177,175,729 2,840,479,495
Colorado 117 1,903,458 123 146 187 152 289,325,595 196,741,404
Connecticut 54 2,176,863 325 397   361 785,847,670 534,376,416
Delaware 3 227,990     409 409 93,248,008 63,408,645
District Of Columbia 7 583,076 438     438 255,387,184 173,663,285
Florida 23 597,000 112 119 206 146 86,963,026 59,134,858
Georgia 16 538,224 245 136 133 171 92,215,786 62,706,735
Hawaii 31 273,474 1,341 1,118   1,230 336,235,826 228,640,362
Idaho 28 359,843 221 240 244 235 84,563,053 57,502,876
Illinois 414 9,790,073 169 183 209 187 1,830,743,703 1,244,905,718
Indiana 54 953,164 192 160 170 174 165,850,618 112,778,420
Iowa 21 767,787 124 94 108 109 83,432,827 56,734,323
Kansas 14 565,229 360 106 114 193 109,277,616 74,308,779
Kentucky 37 1,226,325 124 117 130 124 151,655,522 103,125,755
Louisiana 140 8,931,985 96 145 156 132 1,181,999,386 803,759,582
Maine 35 248,305 191 548 220 320 79,374,738 53,974,822
Maryland 39 1,104,443 316   258 287 316,975,208 215,543,142
Massachusetts 215 3,983,657 347 547 581 492 1,958,631,541 1,331,869,448
Michigan 196 2,323,504 188 223 262 224 521,239,304 354,442,727
Minnesota 42 915,362 221 207 296 241 220,907,428 150,217,051
Mississippi 23 1,018,647 74 103 129 102 103,901,977 70,653,344
Missouri 165 4,168,609 105 98 132 112 465,494,629 316,536,348
Montana 47 720,265 150 169 141 153 110,440,582 75,099,596
Nebraska 43 279,392 156     156 43,585,152 29,637,903
Nevada 6 108,042   192   192 20,744,091 14,105,982
New Hampshire 31 333,963   339   339 113,213,458 76,985,151
New Jersey 168 4,163,423 341 517 399 419 1,744,474,307 1,186,242,529
New Mexico 33 368,359   144 226 185 68,146,323 46,339,500
New York 336 9,431,620 262 456 300 339 3,200,463,135 2,176,314,932
North Carolina 141 2,249,374 112 150   131 294,668,017 200,374,252
North Dakota 11 54,890 136 228   182 9,989,930 6,793,153
Ohio 66 1,264,240 165 197 184 182 230,091,755 156,462,393
Oklahoma 38 559,900 117 168 161 149 83,238,452 56,602,147
Oregon 27 579,598 203 196 307 235 136,398,658 92,751,088
Pennsylvania 326 4,511,794 269 396 339 335 1,509,947,203 1,026,764,098
Rhode Island 68 1,332,486 464 372 283 373 497,017,198 337,971,695
South Carolina 79 1,678,755 136 143 123 134 224,953,105 152,968,112
South Dakota 14 178,946 162 249 237 216 38,652,245 26,283,527
Tennessee 126 2,377,403 170 148 141 153 363,742,696 247,345,033
Texas 115 4,769,304 60 95 71 75 359,287,598 244,315,567
Utah 7 55,345   204 284 244 13,504,243 9,182,885
Vermont 11 148,998     374 374 55,725,123 37,893,084
Virginia 94 1,822,987 191 217 280 229 418,071,698 284,288,755
Washington 134 3,774,227   269 335 302 1,139,816,639 775,075,315
West Virginia 186 3,303,062 169 162 221 184 607,763,453 413,279,148
Wisconsin 92 705,627 138 129 155 141 99,258,141 67,495,536
Wyoming 48 509,862 168 192 131 164 83,447,334 56,744,187
Puerto Rico 71 1,533,311       228 349,594,914 237,724,541
Totals 4,579 106,177,216     228   25,671,621,807 17,456,702,829
  • *Year of the National Bridge Inventory data set used is the December 2020 archive, see https://www.fhwa.dot.gov/bridge/nbi/condition.cfm
  • **Costs used for estimates is determined by averaging the current and the previous 2 years of submitted Replacement Unit Costs of NHS Bridges.
    • When cost data is not submitted for a particular year in the 3 year period, an average of the costs submitted is used.
    • When no cost data is submitted for the entire 3 year period, the National Average of the Costs Collected for the current year is used.
    • Blank means no cost data was submitted for the particular year.
    • Bridge construction costs may vary year to year. To minimize this variation, an average unit cost is used as it is a good measure of central tendency.
      • The use of average unit costs has historically been done for calculating the Highway Bridge Program apportionments.
    • National Average of the costs collected to replace NHS bridges is $228/ft2
      • National Average = Average of all the costs in column '2020 Costs Collected in 2021'.
    • FHWA initiated the collection of Replacement Unit Costs of NHS and non-NHS Bridges in 2012 as is required under MAP-21.
    • Collection of costs related to bridge construction is required by the National Bridge and Tunnel Inspection Standards (23 U.S.C.144(b)(5)).

ESTIMATED 2020 REPLACEMENT AND REHABILITATION COSTS OF POOR (STRUCTURALLY DEFICIENT (SD))
NON-NATIONAL HIGHWAY SYSTEM (non-NHS) BRIDGES
State Total Number of POOR (SD) non-NHS Bridges 2020* Total Area of POOR (SD) non-NHS Bridges 2020 (ft²)* Replacement Unit Costs of non-NHS Bridges (dollars/ft²) Estimated 2020 Total Costs (dollars) Assuming Replacement of Total Number of POOR (SD) non-NHS Bridges Estimated 2020 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR (SD) non-NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
2018 Costs Collected in 2019 2019 Costs Collected in 2020 2020 Costs Collected in 2021 Cost Used For 2020 Estimates**
Alabama 582 1,423,910 123 119 145 129 183,684,436 124,905,417
Alaska 121 336,053 541 274 352 389 130,724,427 88,892,610
Arizona 109 550,224 156 228 184 189 104,175,812 70,839,552
Arkansas 597 2,223,096 148 180 165 164 365,328,798 248,423,582
California 1,096 6,665,902 420 371 431 407 2,715,243,967 1,846,365,897
Colorado 364 931,964 142     142 132,338,906 89,990,456
Connecticut 194 599,618 560 468 510 513 307,403,988 209,034,712
Delaware 16 102,908   455   455 46,823,304 31,839,847
District Of Columbia 1 1,928 615 1,468   1,042 2,007,613 1,365,177
Florida 385 2,014,279 124 204 178 169 339,741,806 231,024,428
Georgia 358 1,122,956 175 163 167 168 189,030,894 128,541,008
Hawaii 53 102,201 914 2,343   1,629 166,435,125 113,175,885
Idaho 258 600,345 227 231 209 222 133,476,654 90,764,125
Illinois 1,960 7,865,624 174 175 208 186 1,460,384,110 993,061,195
Indiana 1,057 2,354,780 162 198 153 171 402,667,435 273,813,856
Iowa 4,550 8,647,398 99 104 116 106 919,506,670 625,264,535
Kansas 1,307 2,324,749 90 116 139 115 267,346,170 181,795,395
Kentucky 996 2,281,853 143 270 359 257 587,196,932 399,293,914
Louisiana 1,494 6,176,342 124 169 160 151 932,627,606 634,186,772
Maine 280 803,134 253 381 255 296 237,995,506 161,836,944
Maryland 234 840,958 328 356 527 404 339,466,606 230,837,292
Massachusetts 257 1,333,870 472 551 609 544 725,625,417 493,425,283
Michigan 1,023 2,903,227 226 230 290 249 721,935,729 490,916,296
Minnesota 619 2,219,836 222 125 164 170 378,112,017 257,116,172
Mississippi 1,363 3,081,771 75 95 74 81 250,650,698 170,442,474
Missouri 2,025 5,641,835 104 111 120 112 630,004,944 428,403,362
Montana 330 896,134 185 205 199 196 175,940,912 119,639,820
Nebraska 1,259 2,020,029 167 146 196 170 342,731,581 233,057,475
Nevada 22 95,778 342   309 326 31,175,727 21,199,495
New Hampshire 184 509,700 266 688   477 243,126,770 165,326,203
New Jersey 334 1,607,476   566 418 492 790,878,381 537,797,299
New Mexico 174 636,749 206   240 223 141,995,014 96,556,609
New York 1,366 4,290,814 343 370 328 347 1,488,912,319 1,012,460,377
North Carolina 1,319 5,128,863 126 149 145 140 718,040,776 488,267,728
North Dakota 433 545,986 165 167 154 162 88,449,772 60,145,845
Ohio 1,311 3,797,525 188 177 209 191 726,593,074 494,083,290
Oklahoma 2,288 4,072,432 106 125 124 118 481,904,512 327,695,068
Oregon 368 1,319,621 253 250   252 331,884,757 225,681,635
Pennsylvania 3,027 6,566,075 349 354 279 327 2,149,295,105 1,461,520,672
Rhode Island 80 363,526 413 427   420 152,680,787 103,822,935
South Carolina 666 2,864,826 121 129 125 125 358,103,264 243,510,220
South Dakota 1,024 1,730,476 196 180 192 189 327,636,783 222,793,012
Tennessee 755 2,711,867 158 136 109 134 364,294,102 247,719,990
Texas 703 3,271,956 91 97 99 96 313,017,145 212,851,659
Utah 55 124,126 168 202 198 189 23,501,155 15,980,786
Vermont 55 242,846 228 288 335 284 68,887,334 46,843,387
Virginia 483 1,889,043 332 235 331 299 565,453,580 384,508,435
Washington 282 1,277,930 192 316 294 267 341,633,247 232,310,608
West Virginia 1,359 2,883,245 219 226 211 219 630,469,464 428,719,236
Wisconsin 887 2,232,969 132 137 130 133 296,984,917 201,949,744
Wyoming 170 599,010 163 156 145 155 92,646,885 62,999,882
Puerto Rico 211 721,508   307 237 272 196,250,209 133,450,142
Totals 40,444 115,551,271     234   24,112,423,144 16,396,447,738
  • *Year of the National Bridge Inventory data set used is the December 2020 archive, see https://www.fhwa.dot.gov/bridge/nbi/condition.cfm
  • **Costs used for estimates is determined by averaging the current and the previous 2 years of submitted Replacement Unit Costs of non-NHS Bridges.
    • When cost data is not submitted for a particular year in the 3 year period, an average of the costs submitted is used.
    • When no cost data is submitted for the entire 3 year period, the National Average of the Costs Collected for the current year is used.
    • Blank means no cost data was submitted for the particular year.
    • Bridge construction costs may vary year to year. To minimize this variation, an average unit cost is used as it is a good measure of central tendency.
      • The use of average unit costs has historically been done for calculating the Highway Bridge Program apportionments.
    • National Average of the costs collected to replace non-NHS bridges is $234/ft2
      • National Average = Average of all the costs in column '2020 Costs Collected in 2021'.
    • FHWA initiated the collection of Replacement Unit Costs of NHS and non-NHS Bridges in 2012 as is required under MAP-21.
    • Collection of costs related to bridge construction is required by the National Bridge and Tunnel Inspection Standards (23 U.S.C.144(b)(5)).

ESTIMATED 2020 REPLACEMENT AND REHABILITATION COSTS OF POOR (STRUCTURALLY DEFICIENT (SD))
NATIONAL HIGHWAY SYSTEM (NHS) and NON-NATIONAL HIGHWAY SYSTEM (non-NHS) BRIDGES
State Total Number of POOR (SD) NHS and non-NHS Bridges 2020* Total Area of POOR (SD) NHS and non-NHS Bridges 2020 (ft²) * Estimated 2020 Total Costs (dollars) Assuming Replacement of Total Number of POOR (SD) NHS and non-NHS Bridges Estimated 2020 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR (SD) NHS and non-NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
Alabama 620 1,790,658 223,659,944 152,088,762
Alaska 141 585,378 205,272,770 139,585,484
Arizona 132 962,995 212,734,523 144,659,476
Arkansas 663 3,544,721 607,186,215 412,886,626
California 1,536 21,020,457 6,892,419,695 4,686,845,393
Colorado 481 2,835,422 421,664,501 286,731,861
Connecticut 248 2,776,481 1,093,251,658 743,411,128
Delaware 19 330,899 140,071,312 95,248,492
District Of Columbia 8 585,003 257,394,797 175,028,462
Florida 408 2,611,280 426,704,832 290,159,286
Georgia 374 1,661,180 281,246,681 191,247,743
Hawaii 84 375,675 502,670,951 341,816,247
Idaho 286 960,188 218,039,707 148,267,001
Illinois 2,374 17,655,697 3,291,127,814 2,237,966,913
Indiana 1,111 3,307,945 568,518,053 386,592,276
Iowa 4,571 9,415,185 1,002,939,497 681,998,858
Kansas 1,321 2,889,978 376,623,786 256,104,175
Kentucky 1,033 3,508,178 738,852,454 502,419,669
Louisiana 1,634 15,108,327 2,114,626,991 1,437,946,354
Maine 315 1,051,439 317,370,243 215,811,765
Maryland 273 1,945,401 656,441,814 446,380,434
Massachusetts 472 5,317,528 2,684,256,958 1,825,294,731
Michigan 1,219 5,226,730 1,243,175,033 845,359,022
Minnesota 661 3,135,198 599,019,445 407,333,223
Mississippi 1,386 4,100,418 354,552,675 241,095,819
Missouri 2,190 9,810,444 1,095,499,573 744,939,709
Montana 377 1,616,398 286,381,494 194,739,416
Nebraska 1,302 2,299,421 386,316,733 262,695,378
Nevada 28 203,820 51,919,819 35,305,477
New Hampshire 215 843,663 356,340,228 242,311,355
New Jersey 502 5,770,900 2,535,352,689 1,724,039,828
New Mexico 207 1,005,107 210,141,337 142,896,109
New York 1,702 13,722,434 4,689,375,454 3,188,775,309
North Carolina 1,460 7,378,237 1,012,708,794 688,641,980
North Dakota 444 600,876 98,439,702 66,938,998
Ohio 1,377 5,061,765 956,684,829 650,545,684
Oklahoma 2,326 4,632,332 565,142,964 384,297,215
Oregon 395 1,899,219 468,283,415 318,432,722
Pennsylvania 3,353 11,077,869 3,659,242,308 2,488,284,770
Rhode Island 148 1,696,011 649,697,985 441,794,630
South Carolina 745 4,543,581 583,056,369 396,478,331
South Dakota 1,038 1,909,422 366,289,028 249,076,539
Tennessee 881 5,089,270 728,036,798 495,065,023
Texas 818 8,041,261 672,304,744 457,167,226
Utah 62 179,471 37,005,398 25,163,671
Vermont 66 391,844 124,612,457 84,736,471
Virginia 577 3,712,030 983,525,279 668,797,190
Washington 416 5,052,157 1,481,449,886 1,007,385,923
West Virginia 1,545 6,186,307 1,238,232,917 841,998,384
Wisconsin 979 2,938,596 396,243,058 269,445,279
Wyoming 218 1,108,872 176,094,219 119,744,069
Puerto Rico 282 2,254,819 545,845,123 371,174,684
Totals 45,023 221,728,487 49,784,044,951 33,853,150,566
Updated: 03/25/2022
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000