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Bridges & Structures

 

Bridge Replacement Unit Costs 2022

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using converted metric data

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

ESTIMATED 2022 REPLACEMENT AND REHABILITATION COSTS OF POOR NATIONAL HIGHWAY SYSTEM (NHS) BRIDGES
State Total Number of POOR NHS Bridges 2022* Total Area of POOR NHS Bridges 2022 (ft²)* Replacement Unit Costs of NHS Bridges (dollars/ft²) Estimated 2022 Total Costs (dollars) Assuming Replacement of Total Number of POOR NHS Bridges
Estimated 2022 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
2020 Costs Collected in 2021 2021 Costs Collected in 2022 2022 Costs Collected in 2023 Cost Used For 2022 Estimates**
Alabama 38 310,632 120 147 201 156 48,458,648 32,951,880
Alaska 20 254,017 356 205 339 300 76,205,051 51,819,435
Arizona 14 313,740   236 310 273 85,650,911 58,242,619
Arkansas 58 1,296,039 172   358 265 343,450,389 233,546,265
California 524 14,387,453 292 277 314 294 4,234,706,945 2,879,600,722
Colorado 108 1,089,013 187     187 203,645,338 138,478,830
Connecticut 53 2,040,938   821   821 1,675,610,128 1,139,414,887
Delaware 1 226,470 409     409 92,626,158 62,985,787
District Of Columbia 4 354,467       319 113,075,015 76,891,010
Florida 33 633,175 206 253 217 225 142,675,524 97,019,356
Georgia 9 357,162 133 149 180 154 55,002,916 37,401,983
Hawaii 27 232,392   1,955   1,955 454,325,864 308,941,587
Idaho 25 309,828 244 287 331 287 89,023,994 60,536,316
Illinois 397 9,224,909 209 227 275 237 2,186,303,440 1,486,686,339
Indiana 52 844,426 170 151 226 182 153,967,008 104,697,566
Iowa 19 847,397 108 119 162 130 109,879,113 74,717,797
Kansas 20 854,498 114 122 294 177 150,961,311 102,653,692
Kentucky 43 1,250,097 130 151 193 158 197,515,368 134,310,451
Louisiana 138 7,204,663 156 238 207 200 1,443,334,167 981,467,233
Maine 50 433,227 220 580 550 450 194,952,148 132,567,461
Maryland 34 1,068,114 258   548 403 430,449,804 292,705,867
Massachusetts 210 3,621,899 581 472   527 1,906,929,839 1,296,712,290
Michigan 211 2,635,169 262 331 394 329 866,970,553 589,539,976
Minnesota 47 1,645,852 296 220 240 252 414,754,700 282,033,196
Mississippi 36 1,341,882 129 152 161 147 197,703,964 134,438,696
Missouri 147 3,945,169 132 124 174 143 565,474,203 384,522,458
Montana 44 551,249 141 223 169 178 97,938,588 66,598,240
Nebraska 39 336,272   175   175 58,847,523 40,016,315
Nevada 8 131,506   241   241 31,693,035 21,551,264
New Hampshire 26 319,998       319 102,079,295 69,413,920
New Jersey 160 4,149,189 399 532 821 584 2,423,126,165 1,647,725,792
New Mexico 29 282,813 226 370 873 490 138,483,947 94,169,084
New York 338 11,183,048 300 611 352 421 4,708,063,393 3,201,483,107
North Carolina 117 1,556,065   246 221 234 363,341,163 247,071,991
North Dakota 9 122,163     180 180 21,989,379 14,952,778
Ohio 65 1,554,895 184 251 222 219 340,521,981 231,554,947
Oklahoma 18 276,900 161 147 279 196 54,180,063 36,842,443
Oregon 25 348,313 307 287 459 351 122,257,987 83,135,431
Pennsylvania 265 3,952,614 339 279 456 358 1,415,035,656 962,224,246
Rhode Island 57 1,048,381 283 353 594 410 429,836,071 292,288,529
South Carolina 59 1,787,615 123 172 210 168 300,915,109 204,622,274
South Dakota 16 236,620 237 209 280 242 57,261,977 38,938,144
Tennessee 134 2,914,387 141 147 226 171 499,331,623 339,545,504
Texas 106 4,084,014 71 72 87 77 313,107,733 212,913,259
Utah 2 8,954 284 325   305 2,726,405 1,853,955
Vermont 12 156,202 374   366 370 57,794,740 39,300,424
Virginia 73 2,115,853 280 549 504 444 940,143,873 639,297,834
Washington 141 4,667,262 335 275   305 1,423,514,846 967,990,095
West Virginia 194 3,474,313 221 239 320 260 903,321,343 614,258,513
Wisconsin 80 1,132,917 155 137 143 145 164,272,907 111,705,576
Wyoming 52 423,656 131 191   161 68,208,594 46,381,844
Puerto Rico 72 1,306,222       319 416,684,939 283,345,759
Totals 4,459 104,844,045     319   31,888,330,833 21,684,064,966
  • *Year of the National Bridge Inventory data set used is the 2022 archive, see https://www.fhwa.dot.gov/bridge/nbi/condition.cfm
    • Effective with the enactment of the Bipartisian Infrastructure Law (BIL), the term Structurally Deficient is no longer used to classify bridge conditions. See https://www.fhwa.dot.gov/bridge/britab.cfm
    • All area measurements are in Square Feet, and are calculated in accordance with the Bridge Deck Area definition found on this page: https://www.fhwa.dot.gov/bridge/britab.cfm
    • Square Meters is Converted to Square Feet by multiplying by 10.764
  • **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 $319/ft2
      • National Average = Average of all the costs in column '2022 Costs Collected in 2023'.
    • 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 Inventory and Inspection Standards (23 U.S.C. 144(b)(5))

ESTIMATED 2022 REPLACEMENT AND REHABILITATION COSTS OF POOR NON-NATIONAL HIGHWAY SYSTEM (non-NHS) BRIDGES
State Total Number of POOR non-NHS Bridges 2022* Total Area of POOR non-NHS Bridges 2022 (ft²)* Replacement Unit Costs of non-NHS Bridges (dollars/ft²) Estimated 2022 Total Costs (dollars) Assuming Replacement of Total Number of POOR non-NHS Bridges Estimated 2022 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR non-NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
2020 Costs Collected in 2021 2021 Costs Collected in 2022 2022 Costs Collected in 2023 Cost Used For 2022 Estimates**
Alabama 537 1,171,965 145 127 145 139 162,903,142 110,774,137
Alaska 106 310,238 352 491   422 130,765,301 88,920,405
Arizona 93 442,051 184 257 263 235 103,734,635 70,539,552
Arkansas 616 2,453,573 165 191 300 219 536,514,598 364,829,926
California 1,023 6,194,729 431 426 497 451 2,795,887,706 1,901,203,640
Colorado 344 921,066   235   235 216,450,436 147,186,296
Connecticut 172 604,550 510 643 684 612 370,186,015 251,726,490
Delaware 13 76,465       314 24,009,869 16,326,711
District Of Columbia 0 0       314 0 0
Florida 422 2,590,562 178 139 257 191 495,660,941 337,049,440
Georgia 284 782,318 167 156 186 170 132,733,295 90,258,641
Hawaii 47 183,845   529   529 97,253,964 66,132,695
Idaho 209 449,972 209 290 287 262 117,892,583 80,166,956
Illinois 2,026 8,324,954 208 213 263 228 1,898,089,518 1,290,700,872
Indiana 988 2,223,294 153 177 224 185 410,568,367 279,186,489
Iowa 4,585 8,874,161 116 125 140 127 1,127,018,457 766,372,550
Kansas 1,274 2,217,197 139 144 170 151 334,796,751 227,661,791
Kentucky 970 2,197,123 359 170 227 252 553,675,085 376,499,058
Louisiana 1,433 6,503,236 160 167 211 179 1,166,246,900 793,047,892
Maine 305 974,842 255 267 393 305 297,326,936 202,182,317
Maryland 217 768,175 527 379 407 438 336,204,409 228,618,998
Massachusetts 234 1,209,609 609 623 635 622 752,779,746 511,890,227
Michigan 1,058 2,921,961 290 281 392 321 937,949,376 637,805,576
Minnesota 555 2,214,861 164 155 205 175 386,862,393 263,066,427
Mississippi 1,061 2,679,437 74 182 198 151 405,488,066 275,731,885
Missouri 2,083 5,532,772 120 134 179 144 798,563,440 543,023,139
Montana 323 905,214 199 234 288 240 217,553,143 147,936,137
Nebraska 1,181 1,877,772 196 264 267 242 455,046,656 309,431,726
Nevada 21 84,805 309 272   291 24,635,988 16,752,472
New Hampshire 164 488,836   521   521 254,683,486 173,184,770
New Jersey 295 1,476,664 418   775 597 880,829,929 598,964,352
New Mexico 170 666,116 240 269 531 347 230,920,302 157,025,805
New York 1,273 4,238,972 328 307 535 390 1,653,199,047 1,124,175,352
North Carolina 1,186 4,784,823 145 139 191 158 757,596,936 515,165,916
North Dakota 440 677,815 154 189 187 177 119,747,374 81,428,214
Ohio 1,158 3,245,666 209 196 245 217 703,227,660 478,194,809
Oklahoma 2,189 3,880,866 124 131 166 140 544,614,849 370,338,097
Oregon 371 1,331,884   343 288 316 420,209,325 285,742,341
Pennsylvania 2,847 6,002,526 279 363 406 349 2,096,882,521 1,425,880,114
Rhode Island 73 345,497   1,309 660 985 340,142,279 231,296,750
South Carolina 418 1,820,034 125 124 182 144 261,478,211 177,805,184
South Dakota 980 1,600,118 192 227 257 225 360,559,948 245,180,765
Tennessee 747 2,881,171 109 132 150 130 375,512,582 255,348,556
Texas 668 3,248,849 99 103 111 104 338,963,294 230,495,040
Utah 62 157,456 198 187 477 287 45,242,236 30,764,720
Vermont 59 239,997 335 487 537 453 108,718,420 73,928,526
Virginia 428 1,517,854 331 479 442 417 633,450,992 430,746,674
Washington 282 1,249,344 294 273 261 276 344,818,856 234,476,822
West Virginia 1,267 2,746,965 211 258 262 244 669,343,896 455,153,849
Wisconsin 842 2,294,890 130 128 164 141 322,814,537 219,513,885
Wyoming 153 627,569 145 164 265 191 120,074,863 81,650,907
Puerto Rico 240 805,276 237 340 197 258 207,761,275 141,277,667
Totals 38,492 112,019,934     314   27,077,590,532 18,412,761,562
  • *Year of the National Bridge Inventory data set used is the 2022 archive, see https://www.fhwa.dot.gov/bridge/nbi/condition.cfm
    • Effective with the enactment of the Bipartisian Infrastructure Law (BIL), the term Structurally Deficient is no longer used to classify bridge conditions. See https://www.fhwa.dot.gov/bridge/britab.cfm
    • All area measurements are in Square Feet, and are calculated in accordance with the Bridge Deck Area definition found on this page: https://www.fhwa.dot.gov/bridge/britab.cfm
    • Square Meters is Converted to Square Feet by multiplying by 10.764
  • **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 $314/ft2
      • National Average = Average of all the costs in column '2022 Costs Collected in 2023'.
    • 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 Inventory and Inspection Standards (23 U.S.C. 144(b)(5))

ESTIMATED 2022 REPLACEMENT AND REHABILITATION COSTS OF POOR NATIONAL HIGHWAY SYSTEM (NHS)
and NON-NATIONAL HIGHWAY SYSTEM (non-NHS) BRIDGES

State Total Number of POOR NHS and non-NHS Bridges 2022* Total Area of POOR NHS and non-NHS Bridges 2022 (ft2) * Estimated 2022 Total Costs (dollars) Assuming Replacement of Total Number of POOR NHS and non-NHS Bridges Estimated 2022 Total Costs (dollars) Assuming Rehabilitation of Total Number of POOR NHS and non-NHS Bridges (Rehabilitation cost = 68% of Replacement cost)
Alabama 575 1,482,597 211,361,790 143,726,017
Alaska 126 564,255 206,970,353 140,739,840
Arizona 107 755,791 189,385,546 128,782,171
Arkansas 674 3,749,612 879,964,987 598,376,191
California 1,547 20,582,182 7,030,594,651 4,780,804,362
Colorado 452 2,010,078 420,095,774 285,665,126
Connecticut 225 2,645,488 2,045,796,143 1,391,141,377
Delaware 14 302,934 116,636,027 79,312,498
District Of Columbia 4 354,467 113,075,015 76,891,010
Florida 455 3,223,738 638,336,464 434,068,796
Georgia 293 1,139,480 187,736,211 127,660,624
Hawaii 74 416,237 551,579,827 375,074,283
Idaho 234 759,800 206,916,577 140,703,272
Illinois 2,423 17,549,863 4,084,392,958 2,777,387,211
Indiana 1,040 3,067,720 564,535,375 383,884,055
Iowa 4,604 9,721,558 1,236,897,570 841,090,348
Kansas 1,294 3,071,695 485,758,062 330,315,482
Kentucky 1,013 3,447,221 751,190,453 510,809,508
Louisiana 1,571 13,707,899 2,609,581,067 1,774,515,126
Maine 355 1,408,069 492,279,084 334,749,777
Maryland 251 1,836,288 766,654,213 521,324,865
Massachusetts 444 4,831,508 2,659,709,585 1,808,602,518
Michigan 1,269 5,557,130 1,804,919,929 1,227,345,552
Minnesota 602 3,860,713 801,617,092 545,099,623
Mississippi 1,097 4,021,319 603,192,030 410,170,581
Missouri 2,230 9,477,941 1,364,037,643 927,545,597
Montana 367 1,456,463 315,491,731 214,534,377
Nebraska 1,220 2,214,043 513,894,178 349,448,041
Nevada 29 216,312 56,329,023 38,303,736
New Hampshire 190 808,834 356,762,781 242,598,691
New Jersey 455 5,625,852 3,303,956,094 2,246,690,144
New Mexico 199 948,929 369,404,249 251,194,889
New York 1,611 15,422,020 6,361,262,441 4,325,658,460
North Carolina 1,303 6,340,888 1,120,938,099 762,237,907
North Dakota 449 799,979 141,736,753 96,380,992
Ohio 1,223 4,800,561 1,043,749,641 709,749,756
Oklahoma 2,207 4,157,766 598,794,912 407,180,540
Oregon 396 1,680,197 542,467,311 368,877,772
Pennsylvania 3,112 9,955,140 3,511,918,177 2,388,104,361
Rhode Island 130 1,393,878 769,978,350 523,585,278
South Carolina 477 3,607,648 562,393,320 382,427,458
South Dakota 996 1,836,738 417,821,925 284,118,909
Tennessee 881 5,795,558 874,844,206 594,894,060
Texas 774 7,332,863 652,071,028 443,408,299
Utah 64 166,409 47,968,641 32,618,676
Vermont 71 396,199 166,513,160 113,228,949
Virginia 501 3,633,706 1,573,594,865 1,070,044,508
Washington 423 5,916,605 1,768,333,702 1,202,466,917
West Virginia 1,461 6,221,278 1,572,665,239 1,069,412,362
Wisconsin 922 3,427,807 487,087,444 331,219,462
Wyoming 205 1,051,225 188,283,457 128,032,751
Puerto Rico 312 2,111,499 624,446,214 424,623,426
Totals 42,951 216,863,979 58,965,921,365 40,096,826,528
  • *Year of the National Bridge Inventory data set used is the 2022 archive, see https://www.fhwa.dot.gov/bridge/nbi/condition.cfm
    • Effective with the enactment of the Bipartisian Infrastructure Law (BIL), the term Structurally Deficient is no longer used to classify bridge conditions. See https://www.fhwa.dot.gov/bridge/britab.cfm
    • All area measurements are in Square Feet, and are calculated in accordance with the Bridge Deck Area definition found on this page: https://www.fhwa.dot.gov/bridge/britab.cfm
    • Square Meters is Converted to Square Feet by multiplying by 10.764
  • 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 Inventory and Inspection Standards (23 U.S.C. 144(b)(5))

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