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Bridges & Structures

Bridge Replacement Unit Costs 2018

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using converted metric data

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

ESTIMATED 2018 REPLACEMENT AND REHABILITATION COSTS OF POOR (STRUCTURALLY DEFICIENT (SD))
NATIONAL HIGHWAY SYSTEM (NHS) BRIDGES
StateTotal Number of POOR (SD) NHS Bridges 2018*Total Area of POOR (SD) NHS Bridges 2018 (ft2)*Replacement Unit Costs of NHS Bridges (dollars/ft2)Estimated 2018 Total Costs (dollars) Assuming Replacement of Total Number of POOR (SD) NHS BridgesEstimated 2018 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR (SD) NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
2016 Costs Collected in 20172017 Costs Collected in 2018 2018 Costs Collected in 2019 Cost Used For 2018 Estimates**
Alabama 42 1,077,583 123 160 98 127 136,853,029 93,060,060
Alaska 22 264,311 277 340 242 286 75,681,144 51,463,178
Arizona 30 391,285 107 130 133 123 48,258,487 32,815,771
Arkansas 57 1,426,601 124 205 138 156 222,074,279 151,010,510
California 504 14,076,729 189 234 293 239 3,359,645,989 2,284,559,273
Colorado 101 1,142,626 120 129 123 124 141,685,667 96,346,254
Connecticut 86 3,663,001 442 288 325 352 1,288,155,381 875,945,659
Delaware 8 500,335 195     195 97,565,293 66,344,399
District Of Columbia 6 239,113     388 388 92,775,770 63,087,523
Florida 21 1,524,088 100 135 113 116 176,794,238 120,220,082
Georgia 27 757,449 109 152 245 169 127,756,383 86,874,340
Hawaii 30 214,267 674 1,589 1,342 1,202 257,477,254 175,084,532
Idaho 19 191,422 150 159 221 177 33,817,908 22,996,178
Illinois 396 8,626,146 184 179 169 177 1,529,703,222 1,040,198,191
Indiana 69 819,292 461 368 350 393 321,981,886 218,947,683
Iowa 26 792,684 130 117 124 124 98,028,632 66,659,470
Kansas 13 470,666 98 118 360 192 90,367,906 61,450,176
Kentucky 40 1,225,717 136 196 124 152 186,308,936 126,690,076
Louisiana 134 8,713,854 138 246 96 160 1,394,216,567 948,067,266
Maine 32 325,592 197   191 194 63,164,849 42,952,097
Maryland 40 949,508 292   316 304 288,650,504 196,282,343
Massachusetts 208 3,829,309 440 472 347 420 1,607,033,542 1,092,782,809
Michigan 177 3,667,438 259 206 188 218 798,279,045 542,829,751
Minnesota 40 600,622 159 199 221 193 115,920,070 78,825,648
Mississippi 24 995,430 85 104 74 88 87,266,057 59,340,918
Missouri 158 3,927,660 114 88 105 102 401,930,591 273,312,802
Montana 51 829,289 115 148 150 138 114,165,395 77,632,469
Nebraska 47 313,435 152 151 156 153 47,955,560 32,609,781
Nevada 6 63,803       223 14,228,101 9,675,108
New Hampshire 35 500,746 234 363   299 149,472,577 101,641,352
New Jersey 188 3,655,691 638 328 341 436 1,592,662,552 1,083,010,535
New Mexico 35 390,399 188 161   175 68,124,597 46,324,726
New York 346 10,144,922 287 289 262 279 2,833,814,797 1,926,994,062
North Carolina 174 3,273,485 102 110 112 108 353,536,403 240,404,754
North Dakota 11 201,869   129 136 133 26,747,615 18,188,378
Ohio 82 1,201,992 164 169 165 166 199,530,683 135,680,865
Oklahoma 70 1,150,995 102 100 117 106 122,389,083 83,224,576
Oregon 27 567,736 232 195 203 210 119,224,518 81,072,672
Pennsylvania 378 4,839,660 292 299 269 287 1,387,369,268 943,411,102
Rhode Island 88 1,625,448 525 277 464 422 685,939,099 466,438,587
South Carolina 98 1,794,662 122 144 136 134 240,484,753 163,529,632
South Dakota 15 89,466 152 145 162 153 13,688,357 9,308,083
Tennessee 107 2,042,590 120 128 81 110 224,003,996 152,322,717
Texas 71 3,048,490 62 80 60 67 205,264,968 139,580,178
Utah 5 58,488       223 13,042,829 8,869,124
Vermont 6 76,171 437 323   380 28,944,942 19,682,561
Virginia 110 2,455,358 220 360 191 257 631,027,109 429,098,434
Washington 127 4,591,867 166 271   219 1,003,323,013 682,259,649
West Virginia 183 2,921,131 152 196 169 172 503,408,305 342,317,647
Wisconsin 79 680,250 124 107 138 123 83,670,803 56,896,146
Wyoming 64 661,254 138 151 168 152 100,731,071 68,497,128
Puerto Rico 70 1,467,271 179     179 262,641,575 178,596,271
Totals 4,783 109,059,199     223   24,066,784,600 16,365,413,528
  • *Year of the National Bridge Inventory data set used is the December 2018 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 $223/ft2
      • National Average = Average of all the costs in column '2018 Costs Collected in 2019'.
    • 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 2018 REPLACEMENT AND REHABILITATION COSTS OF POOR (STRUCTURALLY DEFICIENT (SD))
NON-NATIONAL HIGHWAY SYSTEM (non-NHS) BRIDGES
StateTotal Number of POOR (SD) non-NHS Bridges 2018*Total Area of POOR (SD) non-NHS Bridges 2018 (ft2)* Replacement Unit Costs of non-NHS Bridges (dollars/ft2) Estimated 2018 Total Costs (dollars) Assuming Replacement of Total Number of POOR (SD) non-NHS BridgesEstimated 2018 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR (SD) non-NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
2016 Costs Collected in 2017 2017 Costs Collected in 2018 2018 Costs Collected in 2019 Cost Used For 2018 Estimates**
Alabama 647 1,579,828 98 114 123 112 176,414,122 119,961,603
Alaska 133 372,230 283 449 541 424 157,949,568 107,405,707
Arizona 120 635,835 138 135 156 143 90,924,386 61,828,583
Arkansas 531 1,950,000 123 144 149 139 270,400,066 183,872,045
California 1,308 7,465,473 210 364 929 501 3,740,202,009 2,543,337,366
Colorado 372 1,088,399 184 173 142 166 181,037,028 123,105,179
Connecticut 222 723,811 439 411 559 470 339,949,747 231,165,828
Delaware 26 128,939   297   297 38,294,984 26,040,589
District Of Columbia 2 3,908     615 615 2,403,175 1,634,159
Florida 307 1,492,953 159 163 124 149 221,952,284 150,927,553
Georgia 467 1,781,409 136 134 175 148 264,242,276 179,684,747
Hawaii 48 93,383     914 914 85,351,792 58,039,218
Idaho 296 721,814 178 189 227 198 142,919,245 97,185,087
Illinois 1,877 7,492,113 197 192 174 188 1,406,019,914 956,093,541
Indiana 1,134 2,684,976 504 171 270 315 845,767,387 575,121,823
Iowa 4,649 8,772,562 103 108 99 103 906,498,044 616,418,670
Kansas 1,275 2,157,686 85 84 90 86 186,280,198 126,670,535
Kentucky 976 2,117,178 177 151 143 157 332,396,938 226,029,918
Louisiana 1,544 6,180,148 164 125 124 138 850,800,320 578,544,217
Maine 293 801,828 234 260 253 249 199,655,277 135,765,588
Maryland 234 931,104 401 346 328 358 333,645,527 226,878,958
Massachusetts 273 1,380,298 460 367 472 433 597,668,926 406,414,869
Michigan 1,019 2,783,743 222 232 226 227 630,981,662 429,067,530
Minnesota 628 2,092,899 91 127 222 147 306,958,564 208,731,824
Mississippi 1,579 3,485,253 74 76 76 75 262,555,717 178,537,887
Missouri 1,958 5,861,821 109 110 104 108 631,122,747 429,163,468
Montana 339 906,668 119 158 185 154 139,626,863 94,946,267
Nebraska 1,311 2,098,144 149 181 167 166 347,592,459 236,362,872
Nevada 21 85,060     342 342 29,090,356 19,781,442
New Hampshire 189 503,355 306 316 266 296 148,993,225 101,315,393
New Jersey 356 1,669,921 489     489 816,591,322 555,282,099
New Mexico 197 690,458 258 183 206 216 148,908,847 101,258,016
New York 1,411 4,148,157 288 314 343 315 1,306,669,523 888,535,276
North Carolina 1,697 6,519,933 128 123 126 126 819,338,276 557,150,028
North Dakota 458 528,294 178 207 165 183 96,853,850 65,860,618
Ohio 1,436 3,985,091 191 180 188 186 742,555,255 504,937,574
Oklahoma 2,470 4,686,158 111 94 106 104 485,798,376 330,342,896
Oregon 395 1,451,415 150 174 253 192 279,155,423 189,825,688
Pennsylvania 3,392 7,758,706 300 335 349 328 2,544,855,424 1,730,501,688
Rhode Island 92 416,402   269 413 341 141,992,933 96,555,194
South Carolina 697 3,093,950 153 108 121 127 393,962,923 267,894,788
South Dakota 958 1,458,957 163 134 196 164 239,755,198 163,033,534
Tennessee 764 2,339,889 78 90 123 97 226,969,209 154,339,062
Texas 624 2,354,027 89 109 91 96 226,771,223 154,204,431
Utah 61 94,537 186   168 177 16,733,113 11,378,517
Vermont 60 226,226 360 294 228 294 66,510,345 45,227,035
Virginia 536 2,051,094 211 281 332 275 563,367,037 383,089,585
Washington 255 1,213,928 208 241 192 214 259,376,001 176,375,681
West Virginia 1,261 2,812,107 165 184 219 189 532,425,543 362,049,369
Wisconsin 975 2,489,890 109 117 132 119 297,126,852 202,046,260
Wyoming 193 643,886 123 110 163 132 84,992,943 57,795,201
Puerto Rico 203 639,419 231 208   220 140,352,500 95,439,700
Totals 42,269 119,645,258     252   24,298,756,923 16,523,154,708
  • *Year of the National Bridge Inventory data set used is the December 2018 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 non-NHS bridges is $252/ft2
      • National Average = Average of all the costs in column '2018 Costs Collected in 2019'.
    • 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 2018 REPLACEMENT AND REHABILITATION COSTS OF POOR (STRUCTURALLY DEFICIENT (SD))
NATIONAL HIGHWAY SYSTEM (NHS) and NON-NATIONAL HIGHWAY SYSTEM (non-NHS) BRIDGES
StateTotal Number of POOR (SD) NHS and non-NHS Bridges 2018* Total Area of POOR (SD) NHS and non-NHS Bridges 2018 (ft2) *Estimated 2018 Total Costs (dollars) Assuming Replacement of Total Number of POOR (SD) NHS and non-NHS BridgesEstimated 2018 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR (SD) NHS and non-NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
Alabama 689 2,657,411 313,267,151 213,021,663
Alaska 155 636,541 233,630,713 158,868,885
Arizona 150 1,027,120 139,182,874 94,644,354
Arkansas 588 3,376,602 492,474,345 334,882,555
California 1,812 21,542,202 7,099,847,998 4,827,896,639
Colorado 473 2,231,025 322,722,695 219,451,433
Connecticut 308 4,386,812 1,628,105,128 1,107,111,487
Delaware 34 629,274 135,860,277 92,384,988
District Of Columbia 8 243,020 95,178,945 64,721,682
Florida 328 3,017,041 398,746,522 271,147,635
Georgia 494 2,538,858 391,998,658 266,559,088
Hawaii 78 307,649 342,829,045 233,123,751
Idaho 315 913,236 176,737,154 120,181,264
Illinois 2,273 16,118,259 2,935,723,136 1,996,291,732
Indiana 1,203 3,504,268 1,167,749,274 794,069,506
Iowa 4,675 9,565,246 1,004,526,677 683,078,140
Kansas 1,288 2,628,352 276,648,105 188,120,711
Kentucky 1,016 3,342,895 518,705,874 352,719,994
Louisiana 1,678 14,894,001 2,245,016,887 1,526,611,483
Maine 325 1,127,420 262,820,126 178,717,686
Maryland 274 1,880,612 622,296,031 423,161,301
Massachusetts 481 5,209,607 2,204,702,468 1,499,197,678
Michigan 1,196 6,451,181 1,429,260,707 971,897,281
Minnesota 668 2,693,521 422,878,634 287,557,471
Mississippi 1,603 4,480,683 349,821,773 237,878,806
Missouri 2,116 9,789,482 1,033,053,338 702,476,270
Montana 390 1,735,957 253,792,259 172,578,736
Nebraska 1,358 2,411,579 395,548,020 268,972,653
Nevada 27 148,863 43,318,457 29,456,551
New Hampshire 224 1,004,101 298,465,802 202,956,745
New Jersey 544 5,325,612 2,409,253,874 1,638,292,634
New Mexico 232 1,080,857 217,033,444 147,582,742
New York 1,757 14,293,079 4,140,484,321 2,815,529,338
North Carolina 1,871 9,793,418 1,172,874,679 797,554,781
North Dakota 469 730,163 123,601,465 84,048,996
Ohio 1,518 5,187,083 942,085,939 640,618,438
Oklahoma 2,540 5,837,152 608,187,459 413,567,472
Oregon 422 2,019,150 398,379,941 270,898,360
Pennsylvania 3,770 12,598,366 3,932,224,692 2,673,912,791
Rhode Island 180 2,041,850 827,932,032 562,993,782
South Carolina 795 4,888,612 634,447,677 431,424,420
South Dakota 973 1,548,423 253,443,555 172,341,617
Tennessee 871 4,382,478 450,973,205 306,661,779
Texas 695 5,402,516 432,036,191 293,784,610
Utah 66 153,025 29,775,942 20,247,641
Vermont 66 302,397 95,455,288 64,909,596
Virginia 646 4,506,452 1,194,394,146 812,188,019
Washington 382 5,805,796 1,262,699,015 858,635,330
West Virginia 1,444 5,733,238 1,035,833,848 704,367,016
Wisconsin 1,054 3,170,140 380,797,655 258,942,405
Wyoming 257 1,305,140 185,724,014 126,292,329
Puerto Rico 273 2,106,691 402,994,075 274,035,971
Totals 47,052 228,704,457 48,365,541,523 32,888,568,236
Updated: 06/05/2019
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000