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Bridges & Structures

 

Bridge Replacement Unit Costs 2021

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using converted metric data

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

ESTIMATED 2021 REPLACEMENT AND REHABILITATION COSTS OF POOR (STRUCTURALLY DEFICIENT (SD)) NATIONAL HIGHWAY SYSTEM (NHS) BRIDGES

State Total Number of POOR (SD) NHS Bridges 2021* Total Area of POOR (SD) NHS Bridges 2021 (ft²)* Replacement Unit Costs of NHS Bridges (dollars/ft²) Estimated 2021 Total Costs (dollars) Assuming Replacement of Total Number of POOR (SD) NHS Bridges
Estimated 2021 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR (SD) NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
2019 Costs Collected in 2020 2020 Costs Collected in 2021 2021 Costs Collected in 2022 Cost Used For 2021 Estimates**
Alabama 40 381,022 110 120 147 126 47,881,727 32,559,575
Alaska 20 249,348 356 205 281 69,942,101 47,560,628
Arizona 17 361,277 393 236 315 113,621,643 77,262,717
Arkansas 59 1,207,076 239 172 206 248,054,125 168,676,805
California 477 13,142,582 288 292 277 286 3,754,397,716 2,552,990,447
Colorado 113 1,780,116 146 187 167 296,389,257 201,544,695
Connecticut 53 2,173,619 397 821 609 1,323,733,759 900,138,956
Delaware 3 227,990 409 409 93,248,008 63,408,645
District Of Columbia 6 374,528 309 115,729,018 78,695,732
Florida 35 1,849,460 119 206 253 193 356,329,239 242,303,882
Georgia 10 385,205 136 133 149 139 53,671,855 36,496,861
Hawaii 35 274,262 1,118 1,955 1,537 421,403,207 286,554,181
Idaho 20 203,245 240 244 287 257 52,234,017 35,519,132
Illinois 397 9,778,158 183 209 227 206 2,017,559,860 1,371,940,705
Indiana 48 705,957 160 170 151 160 113,188,447 76,968,144
Iowa 20 862,685 94 108 119 107 92,307,270 62,768,943
Kansas 14 771,695 106 114 122 114 87,973,236 59,821,801
Kentucky 40 1,257,544 117 130 151 133 166,834,230 113,447,277
Louisiana 141 8,793,641 145 156 238 180 1,579,924,200 1,074,348,456
Maine 46 397,033 548 220 580 449 178,400,230 121,312,157
Maryland 33 1,059,550 258 258 273,363,964 185,887,496
Massachusetts 213 3,778,451 547 581 472 533 2,015,173,965 1,370,318,296
Michigan 212 2,543,218 223 262 331 272 691,755,304 470,393,607
Minnesota 35 845,070 207 296 220 241 203,661,951 138,490,127
Mississippi 32 1,110,640 103 129 152 128 142,161,901 96,670,093
Missouri 149 4,054,664 98 132 124 118 478,450,369 325,346,251
Montana 46 668,412 169 141 223 178 118,754,475 80,753,043
Nebraska 41 305,495 175 175 53,461,553 36,353,856
Nevada 6 108,042 192 241 217 23,391,124 15,905,964
New Hampshire 28 336,286 339 339 114,000,838 77,520,570
New Jersey 163 3,936,509 517 399 532 483 1,900,021,472 1,292,014,601
New Mexico 34 341,278 144 226 370 247 84,181,960 57,243,733
New York 352 10,772,917 456 300 611 456 4,908,859,329 3,338,024,344
North Carolina 123 1,589,695 150 246 198 314,759,676 214,036,580
North Dakota 13 57,141 228 228 13,028,078 8,859,093
Ohio 66 1,485,140 197 184 251 211 312,869,556 212,751,298
Oklahoma 31 470,851 168 161 147 159 74,708,333 50,801,666
Oregon 25 433,346 196 307 287 263 114,114,516 77,597,871
Pennsylvania 293 4,327,774 396 339 279 338 1,462,787,594 994,695,564
Rhode Island 61 1,276,981 372 283 353 336 429,065,726 291,764,694
South Carolina 57 1,384,554 143 123 172 146 202,144,845 137,458,494
South Dakota 14 196,740 249 237 209 232 45,578,045 30,993,071
Tennessee 134 2,699,541 148 141 147 145 392,333,232 266,786,598
Texas 111 3,201,292 95 71 72 79 253,969,145 172,699,019
Utah 7 55,345 204 284 325 271 14,998,565 10,199,024
Vermont 11 153,703 374 374 57,484,773 39,089,645
Virginia 78 2,173,119 217 280 549 349 757,694,116 515,231,999
Washington 126 3,701,025 269 335 275 293 1,084,400,224 737,392,152
West Virginia 184 3,277,451 162 221 239 207 679,524,824 462,076,881
Wisconsin 74 579,183 129 155 137 140 81,278,706 55,269,520
Wyoming 65 588,304 192 131 191 171 100,796,076 68,541,332
Puerto Rico 70 1,371,698 309 423,854,637 288,221,153
Totals 4,481 104,059,856 309 29,005,452,019 19,723,707,373
  • *Year of the National Bridge Inventory data set used is the 2021 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 $309/ft2
      • National Average = Average of all the costs in column '2021 Costs Collected in 2022'.
    • 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 2021 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 2021* Total Area of POOR (SD) non-NHS Bridges 2021 (ft²)* Replacement Unit Costs of non-NHS Bridges (dollars/ft²) Estimated 2021 Total Costs (dollars) Assuming Replacement of Total Number of POOR (SD) non-NHS Bridges Estimated 2021 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR (SD) non-NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
2019 Costs Collected in 2020 2020 Costs Collected in 2021 2021 Costs Collected in 2022 Cost Used For 2021 Estimates**
Alabama 546 1,246,955 119 145 127 130 162,519,835 110,513,488
Alaska 114 307,061 274 352 491 372 114,328,994 77,743,716
Arizona 100 470,368 228 184 257 223 104,892,080 71,326,614
Arkansas 620 2,354,144 180 165 191 179 420,607,111 286,012,836
California 1,016 6,114,793 371 431 426 409 2,502,988,642 1,702,032,276
Colorado 356 940,618 235 235 221,045,168 150,310,714
Connecticut 178 589,734 468 510 643 540 318,653,139 216,684,135
Delaware 14 114,730 455 455 52,202,311 35,497,572
District Of Columbia 1 1,928 1,468 1,468 2,829,742 1,924,225
Florida 424 3,257,100 204 178 139 174 565,649,657 384,641,766
Georgia 309 847,292 163 167 156 162 137,261,291 93,337,678
Hawaii 52 96,791 2,343 529 1,436 138,991,979 94,514,546
Idaho 218 447,795 231 209 290 243 108,963,422 74,095,127
Illinois 2,008 8,067,073 175 208 213 199 1,602,658,464 1,089,807,755
Indiana 1,034 2,302,030 198 153 177 176 405,157,251 275,506,931
Iowa 4,484 8,474,173 104 116 125 115 974,529,906 662,680,336
Kansas 1,263 2,265,140 116 139 144 133 301,263,648 204,859,280
Kentucky 950 2,167,904 270 359 170 266 577,385,225 392,621,953
Louisiana 1,490 6,494,409 169 160 167 165 1,073,742,239 730,144,722
Maine 268 821,493 381 255 267 301 247,269,290 168,143,117
Maryland 220 755,069 356 527 379 421 317,632,261 215,989,938
Massachusetts 243 1,255,972 551 609 623 594 746,466,180 507,597,002
Michigan 1,028 2,862,870 230 290 281 267 764,386,340 519,782,711
Minnesota 583 2,298,220 125 164 155 148 340,136,548 231,292,853
Mississippi 1,142 2,828,105 95 74 182 117 330,888,253 225,004,012
Missouri 2,069 5,668,499 111 120 134 122 689,667,396 468,973,829
Montana 319 906,014 205 199 234 213 192,678,876 131,021,636
Nebraska 1,239 1,971,698 146 196 264 202 398,283,010 270,832,447
Nevada 23 137,755 309 272 291 40,017,728 27,212,055
New Hampshire 166 489,292 688 521 605 295,777,301 201,128,564
New Jersey 319 1,533,410 566 418 492 754,437,535 513,017,524
New Mexico 174 708,459 240 269 255 180,302,824 122,605,920
New York 1,320 4,318,894 370 328 307 335 1,446,829,372 983,843,973
North Carolina 1,202 5,095,168 149 145 139 144 735,402,555 500,073,737
North Dakota 468 676,252 167 154 189 170 114,962,870 78,174,751
Ohio 1,268 3,646,267 177 209 196 194 707,375,715 481,015,486
Oklahoma 2,265 3,919,416 125 124 131 127 496,459,413 337,592,401
Oregon 357 1,323,980 250 343 297 392,560,028 266,940,819
Pennsylvania 2,905 6,142,143 354 279 363 332 2,039,191,341 1,386,650,112
Rhode Island 75 329,102 427 1,309 868 285,660,519 194,249,153
South Carolina 442 2,021,364 129 125 124 126 254,691,921 173,190,507
South Dakota 1,004 1,747,774 180 192 227 200 348,972,302 237,301,165
Tennessee 707 2,512,655 136 109 132 126 315,756,998 214,714,759
Texas 678 3,222,677 97 99 103 100 321,193,519 218,411,593
Utah 56 137,254 202 198 187 196 26,856,059 18,262,120
Vermont 57 223,593 288 335 487 370 82,729,503 56,256,062
Virginia 452 1,709,424 235 331 479 348 595,449,230 404,905,477
Washington 275 1,260,746 316 294 273 294 371,079,474 252,334,042
West Virginia 1,306 2,817,583 226 211 258 232 652,740,092 443,863,263
Wisconsin 913 2,231,247 137 130 128 132 293,780,835 199,770,968
Wyoming 165 641,685 156 145 164 155 99,461,207 67,633,620
Puerto Rico 212 738,183 307 237 340 295 217,517,975 147,912,223
Totals 39,097 113,512,301 285 24,882,284,573 16,919,953,509
  • *Year of the National Bridge Inventory data set used is the 2021 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 $285/ft2
      • National Average = Average of all the costs in column '2021 Costs Collected in 2022'.
    • 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 2021 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 2021* Total Area of POOR (SD) NHS and non-NHS Bridges 2021 (ft2) * Estimated 2021 Total Costs (dollars) Assuming Replacement of Total Number of POOR (SD) NHS and non-NHS Bridges Estimated 2021 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR (SD) NHS and non-NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
Alabama 586 1,627,977 210,401,563 143,073,063
Alaska 134 556,409 184,271,094 125,304,344
Arizona 117 831,645 218,513,722 148,589,331
Arkansas 679 3,561,220 668,661,237 454,689,641
California 1,493 19,257,376 6,257,386,357 4,255,022,723
Colorado 469 2,720,733 517,434,426 351,855,409
Connecticut 231 2,763,353 1,642,386,898 1,116,823,091
Delaware 17 342,721 145,450,319 98,906,217
District Of Columbia 7 376,455 118,558,760 80,619,957
Florida 459 5,106,559 921,978,895 626,945,649
Georgia 319 1,232,497 190,933,146 129,834,539
Hawaii 87 371,053 560,395,187 381,068,727
Idaho 238 651,040 161,197,439 109,614,259
Illinois 2,405 17,845,230 3,620,218,323 2,461,748,460
Indiana 1,082 3,007,987 518,345,698 352,475,074
Iowa 4,504 9,336,858 1,066,837,176 725,449,279
Kansas 1,277 3,036,835 389,236,884 264,681,081
Kentucky 990 3,425,449 744,219,456 506,069,230
Louisiana 1,631 15,288,050 2,653,666,439 1,804,493,178
Maine 314 1,218,526 425,669,520 289,455,274
Maryland 253 1,814,619 590,996,225 401,877,433
Massachusetts 456 5,034,423 2,761,640,144 1,877,915,298
Michigan 1,240 5,406,088 1,456,141,644 990,176,318
Minnesota 618 3,143,290 543,798,499 369,782,979
Mississippi 1,174 3,938,745 473,050,154 321,674,105
Missouri 2,218 9,723,163 1,168,117,765 794,320,080
Montana 365 1,574,425 311,433,350 211,774,678
Nebraska 1,280 2,277,193 451,744,563 307,186,303
Nevada 29 245,797 63,408,852 43,118,019
New Hampshire 194 825,578 409,778,139 278,649,135
New Jersey 482 5,469,918 2,654,459,007 1,805,032,125
New Mexico 208 1,049,737 264,484,784 179,849,653
New York 1,672 15,091,811 6,355,688,701 4,321,868,317
North Carolina 1,325 6,684,863 1,050,162,231 714,110,317
North Dakota 481 733,393 127,990,948 87,033,845
Ohio 1,334 5,131,407 1,020,245,271 693,766,784
Oklahoma 2,296 4,390,267 571,167,746 388,394,067
Oregon 382 1,757,326 506,674,543 344,538,689
Pennsylvania 3,198 10,469,917 3,501,978,935 2,381,345,676
Rhode Island 136 1,606,083 714,726,245 486,013,847
South Carolina 499 3,405,918 456,836,766 310,649,001
South Dakota 1,018 1,944,514 394,550,347 268,294,236
Tennessee 841 5,212,196 708,090,230 481,501,357
Texas 789 6,423,969 575,162,664 391,110,612
Utah 63 192,599 41,854,624 28,461,144
Vermont 68 377,296 140,214,276 95,345,708
Virginia 530 3,882,543 1,353,143,347 920,137,476
Washington 401 4,961,770 1,455,479,698 989,726,194
West Virginia 1,490 6,095,034 1,332,264,917 905,940,144
Wisconsin 987 2,810,430 375,059,541 255,040,488
Wyoming 230 1,229,989 200,257,282 136,174,952
Puerto Rico 282 2,109,881 641,372,611 436,133,376
Totals 43,578 217,572,157 53,887,736,592 36,643,660,882

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