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Bridges & Structures

 

2024 Tunnel Counts by State

06/15/2024

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State Name ALL TUNNELS COMPLEX TUNNELS NHS TUNNELS NHS COMPLEX TUNNELS
Tunnel Count Number of Bores Total Length of all Bores (ft) Number of Lanes Total Length of All Lanes (ft) Total Annual Average Daily Traffic Total Annual Average Daily Truck Traffic Tunnel Count Number of Bores Total Length of all Bores (ft) Number of Lanes Total Length of All Lanes (ft) Total Annual Average Daily Traffic Total Annual Average Daily Truck Traffic Tunnel Count Number of Bores Total Length of all Bores (ft) Number of Lanes Total Length of All Lanes (ft) Total Annual Average Daily Traffic Total Annual Average Daily Truck Traffic Tunnel Count Number of Bores Total Length of all Bores (ft) Number of Lanes Total Length of All Lanes (ft) Total Annual Average Daily Traffic Total Annual Average Daily Truck Traffic
ALABAMA 4 5 7,175 9 19,945 107,750 12,598 2 3 6,109 6 18,218 92,750 11,298 2 3 6,109 6 18,218 92,750 11,298 2 3 6,109 6 18,218 92,750 11,298
ALASKA 4 4 14,700 6 15,825 8,148 663 1 1 13,300 1 13,300 1,056 9 3 3 14,020 4 14,465 8,097 662 1 1 13,300 1 13,300 1,056 9
ARIZONA 7 11 6,241 25 39,519 260,175 11,415 1 3 2,582 12 30,984 236,488 9,503 3 5 5,199 17 37,435 249,873 10,785 1 3 2,582 12 30,984 236,488 9,503
ARKANSAS 2 3 1,774 5 6,559 23,030 5,750 1 2 1,595 4 6,380 23,000 5,750 1 2 1,595 4 6,380 23,000 5,750 1 2 1,595 4 6,380 23,000 5,750
CALIFORNIA 107 109 97,683 275 247,594 2,463,251 111,895 44 45 62,938 126 161,038 1,283,248 73,746 58 59 66,935 184 188,894 2,255,640 105,437 34 35 53,320 105 139,909 1,195,888 71,093
COLORADO 43 44 43,383 83 95,004 555,243 54,768 7 8 28,466 24 66,715 287,080 29,336 16 17 34,089 42 77,620 483,300 49,882 6 7 27,746 21 64,555 271,000 28,532
CONNECTICUT 3 5 2,524 15 12,892 253,600 18,801 1 2 824 8 6,592 158,000 17,500 3 5 2,524 15 12,892 253,600 18,801 1 2 824 8 6,592 158,000 17,500
DELAWARE - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISTRICT OF COLUMBIA 17 19 13,722 62 63,850 599,295 24,885 4 6 8,069 18 43,723 248,891 9,040 14 16 12,829 57 62,213 581,900 24,288 4 6 8,069 18 43,723 248,891 9,040
FLORIDA 4 11 5,852 21 26,293 127,619 3,072 3 8 5,708 17 25,717 126,869 3,071 2 3 5,131 8 20,524 73,369 3,067 2 3 5,131 8 20,524 73,369 3,067
GEORGIA 2 7 1,113 16 8,462 288,000 2,895 - - - - - - - 2 7 1,113 16 8,462 288,000 2,895 - - - - - - -
GUAM - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HAWAII 12 12 22,805 24 45,519 428,342 23,285 4 4 18,260 8 36,520 155,120 7,756 11 11 22,360 23 45,074 424,842 23,275 4 4 18,260 8 36,520 155,120 7,756
IDAHO 10 10 4,784 10 4,784 2,441 81 - - - - - - - - - - - - - - - - - - - - -
ILLINOIS 5 6 2,660 18 10,440 255,300 14,019 1 1 880 1 880 9,200 828 3 3 2,020 12 8,680 251,400 13,814 1 1 880 1 880 9,200 828
INDIANA 6 6 1,654 22 6,256 37,533 1,938 - - - - - - - - - - - - - - - - - - - - -
IOWA 1 1 150 2 300 1,000 20 - - - - - - - - - - - - - - - - - - - - -
KANSAS 1 1 528 4 2,112 9,380 490 - - - - - - - - - - - - - - - - - - - - -
KENTUCKY 10 14 8,278 21 29,815 122,287 11,236 2 4 6,540 8 26,160 27,300 3,156 3 6 6,980 12 27,920 109,852 9,986 2 4 6,540 8 26,160 27,300 3,156
LOUISIANA 2 3 2,040 6 6,240 55,187 9,879 2 3 2,040 6 6,240 55,187 9,879 1 1 960 2 1,920 28,800 2,880 1 1 960 2 1,920 28,800 2,880
MAINE - - - - - - - - - - - - - - - - - - - - - - - - - - - -
MARYLAND 5 9 15,200 16 88,738 200,365 23,813 2 6 14,860 12 88,276 200,055 23,807 2 6 14,860 12 88,276 200,055 23,807 2 6 14,860 12 88,276 200,055 23,807
MASSACHUSETTS 48 48 85,969 119 204,640 2,355,719 129,144 47 47 85,583 115 203,096 2,337,019 128,394 42 42 76,480 100 188,861 2,225,945 120,402 42 42 76,480 100 188,861 2,225,945 120,402
MICHIGAN 11 11 13,133 63 56,672 492,751 20,397 6 6 10,430 28 38,866 127,723 3,806 7 7 10,037 52 48,268 443,788 19,467 4 4 8,628 23 34,446 95,860 3,226
MINNESOTA 6 6 6,833 22 25,932 196,745 9,310 - - - - - - - 5 5 5,816 18 21,864 194,245 9,060 - - - - - - -
MISSISSIPPI - - - - - - - - - - - - - - - - - - - - - - - - - - - -
MISSOURI 1 1 1,419 4 5,676 19,228 961 1 1 1,419 4 5,676 19,228 961 1 1 1,419 4 5,676 19,228 961 1 1 1,419 4 5,676 19,228 961
MONTANA 5 5 2,096 8 3,076 22,113 327 - - - - - - - 1 1 395 2 790 19,603 2 - - - - - - -
NEBRASKA 3 3 556 6 1,112 225 24 - - - - - - - - - - - - - - - - - - - - -
NEVADA 6 6 8,889 14 23,236 142,700 10,038 2 2 5,458 6 16,374 117,000 6,280 6 6 8,889 14 23,236 142,700 10,038 2 2 5,458 6 16,374 117,000 6,280
NEW HAMPSHIRE - - - - - - - - - - - - - - - - - - - - - - - - - - - -
NEW JERSEY 5 9 21,657 24 104,320 572,663 7,231 4 7 21,027 18 100,540 282,836 7,231 5 9 21,657 24 104,320 572,663 7,231 4 7 21,027 18 100,540 282,836 7,231
NEW MEXICO 3 3 793 4 1,322 5,315 240 - - - - - - - - - - - - - - - - - - - - -
NEW YORK 11 16 39,710 36 167,494 436,258 18,315 9 14 38,373 32 164,820 419,450 17,457 4 9 32,181 18 145,156 323,576 15,736 4 9 32,181 18 145,156 323,576 15,736
NORTH CAROLINA 29 29 17,269 58 34,538 150,643 13,755 - - - - - - - 4 4 4,108 8 8,216 50,500 10,185 - - - - - - -
NORTH DAKOTA - - - - - - - - - - - - - - - - - - - - - - - - - - - -
OHIO 1 1 855 6 5,130 62,690 5,831 1 1 855 6 5,130 62,690 5,831 1 1 855 6 5,130 62,690 5,831 1 1 855 6 5,130 62,690 5,831
OKLAHOMA 6 6 2,313 16 5,826 19,600 3,140 - - - - - - - - - - - - - - - - - - - - -
OREGON 15 15 10,953 31 23,756 101,430 10,519 1 1 363 2 726 3,395 - 9 9 9,016 20 20,082 62,750 8,747 - - - - - - -
PENNSYLVANIA 28 29 92,316 61 188,551 415,771 56,030 20 20 87,869 40 175,738 323,926 51,739 16 16 77,162 32 154,324 315,357 50,996 16 16 77,162 32 154,324 315,357 50,996
PUERTO RICO 4 6 5,713 11 15,642 223,600 6,385 3 5 5,401 10 15,330 223,500 6,385 3 5 5,401 10 15,330 223,500 6,385 3 5 5,401 10 15,330 223,500 6,385
RHODE ISLAND 1 1 1,791 2 3,582 300 250 - - - - - - - - - - - - - - - - - - - - -
SOUTH CAROLINA - - - - - - - - - - - - - - - - - - - - - - - - - - - -
SOUTH DAKOTA 7 7 747 8 824 8,436 1,110 - - - - - - - - - - - - - - - - - - - - -
TENNESSEE 14 15 14,120 37 45,356 160,376 10,452 3 4 6,956 17 33,096 68,771 6,248 9 10 11,493 27 40,102 128,837 9,794 3 4 6,956 17 33,096 68,771 6,248
TEXAS 8 10 8,918 24 28,758 257,455 9,684 3 3 5,823 14 21,542 200,351 9,260 4 4 5,057 14 19,126 222,480 9,310 2 2 4,173 12 18,242 194,076 9,205
U.S. VIRGIN ISLANDS - - - - - - - - - - - - - - - - - - - - - - - - - - - -
UTAH 8 8 7,348 14 14,180 45,810 13,238 - - - - - - - 6 6 6,832 12 13,664 45,800 13,236 - - - - - - -
VERMONT - - - - - - - - - - - - - - - - - - - - - - - - - - - -
VIRGINIA 17 19 61,177 46 156,300 562,846 35,194 12 14 57,161 32 145,620 514,279 34,726 13 15 57,823 38 149,592 546,996 35,053 12 14 57,161 32 145,620 514,279 34,726
WASHINGTON 62 65 43,913 187 140,158 1,821,187 93,132 8 9 22,446 40 86,042 621,163 25,540 44 47 36,003 145 120,312 1,640,594 82,133 7 8 21,821 36 83,542 614,630 25,409
WEST VIRGINIA 11 13 13,626 20 35,846 68,159 11,740 2 4 7,180 8 28,720 60,215 11,550 2 4 7,180 8 28,720 60,215 11,550 2 4 7,180 8 28,720 60,215 11,550
WISCONSIN 5 7 4,683 13 11,091 52,300 5,230 2 4 1,602 10 8,010 42,300 4,230 3 4 3,501 6 5,904 26,400 2,640 1 2 801 4 3,204 18,700 1,870
WYOMING 10 10 7,050 20 14,100 36,952 9,711 - - - - - - - 10 10 7,050 20 14,100 36,952 9,711 - - - - - - -
Total 570 629 726,113 1,494 2,047,265 14,029,218 812,891 199 238 530,117 633 1,580,069 8,328,090 524,317 319 362 585,079 992 1,751,746 12,689,297 745,095 166 199 486,879 540 1,476,202 7,857,580 500,275
Updated: 07/18/2024
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000