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Bridges & Structures

 

2022 Tunnel Counts by State

06/15/2022

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State Name ALL TUNNELS COMPLEX TUNNELS NHS TUNNELS NHS COMPLEX TUNNELS
Tunnel Count Number of Bores Total Length (ft) Total Length of All Lanes (ft) Total AADT Total AADTT Tunnel Count Number of Bores Total Length (ft) Total Length of All Lanes (ft) Total AADT Total AADTT Tunnel Count Number of Bores Total Length (ft) Total Length of All Lanes (ft) Total AADT Total AADTT Tunnel Count Number of Bores Total Length (ft) Total Length of All Lanes (ft) Total AADT Total AADTT
ALABAMA 4 5 7,175 19,945 107,750 12,598 2 3 6,109 18,218 92,750 11,298 2 3 6,109 18,218 92,750 11,298 2 3 6,109 18,218 92,750 11,298
ALASKA 4 4 14,700 15,825 8,148 663 1 1 13,300 13,300 1,056 9 3 3 14,020 14,465 8,097 662 1 1 13,300 13,300 1,056 9
ARIZONA 5 7 5,801 45,203 261,895 9,522 1 3 2,582 36,148 238,989 7,718 3 5 5,199 43,999 252,277 9,000 1 3 2,582 36,148 238,989 7,718
ARKANSAS 1 2 1,594 6,376 21,000 5,250 1 2 1,594 6,376 21,000 5,250 1 2 1,594 6,376 21,000 5,250 1 2 1,594 6,376 21,000 5,250
CALIFORNIA 105 107 97,117 245,975 2,496,553 109,600 43 44 62,584 159,631 1,271,634 70,495 57 58 66,642 187,548 2,268,047 103,180 34 35 53,239 138,775 1,184,474 67,892
COLORADO 40 40 42,765 88,379 527,519 49,958 7 7 28,452 61,642 274,609 26,531 14 14 33,516 71,060 454,200 44,881 6 6 27,742 59,512 250,000 25,301
CONNECTICUT 3 5 2,524 12,892 251,100 18,801 1 2 824 6,592 158,000 17,500 3 5 2,524 12,892 251,100 18,801 1 2 824 6,592 158,000 17,500
DELAWARE - - - - - - - - - - - - - - - - - - - - - - - -
DISTRICT OF COLUMBIA 17 21 13,722 63,850 501,653 20,241 4 6 8,069 43,723 191,647 7,127 14 18 12,829 62,213 488,460 19,760 4 6 8,069 43,723 191,647 7,127
FLORIDA 2 3 5,131 20,524 73,369 3,067 2 3 5,131 20,524 73,369 3,067 2 3 5,131 20,524 73,369 3,067 2 3 5,131 20,524 73,369 3,067
GEORGIA 1 3 667 4,002 110,000 1,115 - - - - - - 1 3 667 4,002 110,000 1,115 - - - - - -
GUAM - - - - - - - - - - - - - - - - - - - - - - - -
HAWAII 13 13 22,955 45,669 472,474 23,295 4 4 18,260 36,520 155,120 7,756 12 12 22,510 45,224 468,974 23,285 4 4 18,260 36,520 155,120 7,756
IDAHO 10 10 4,782 4,782 2,441 81 - - - - - - - - - - - - - - - - - -
ILLINOIS 5 6 2,660 10,440 251,950 14,019 2 2 1,280 1,280 14,700 1,103 3 3 2,020 8,680 251,400 13,814 2 2 1,280 1,280 14,700 1,103
INDIANA 6 6 1,784 6,776 55,776 2,847 - - - - - - - - - - - - - - - - - -
IOWA 1 1 150 300 1,000 20 - - - - - - - - - - - - - - - - - -
KANSAS 1 1 528 2,112 9,380 490 - - - - - - - - - - - - - - - - - -
KENTUCKY 10 14 8,278 29,815 122,319 11,531 2 4 6,540 26,160 27,300 3,156 3 6 6,980 27,920 109,852 9,986 2 4 6,540 26,160 27,300 3,156
LOUISIANA 3 4 2,840 7,840 94,287 12,225 - - - - - - 2 2 1,760 3,520 67,900 5,226 - - - - - -
MAINE - - - - - - - - - - - - - - - - - - - - - - - -
MARYLAND 5 9 15,200 88,738 200,125 23,813 2 6 14,860 88,276 200,055 23,807 2 6 14,860 88,276 200,055 23,807 2 6 14,860 88,276 200,055 23,807
MASSACHUSETTS 46 46 86,688 209,315 2,204,679 120,431 45 45 86,302 207,771 2,185,979 119,681 41 41 76,243 187,202 2,152,501 116,267 41 41 76,243 187,202 2,152,501 116,267
MICHIGAN 11 11 13,133 56,672 492,751 20,397 6 6 10,430 38,866 127,723 3,806 7 7 10,037 48,268 443,788 19,467 4 4 8,628 34,446 95,860 3,226
MINNESOTA 6 6 6,833 25,932 78,946 9,310 - - - - - - 5 5 5,816 21,864 76,446 9,060 - - - - - -
MISSISSIPPI - - - - - - - - - - - - - - - - - - - - - - - -
MISSOURI 1 1 1,419 5,676 23,420 1,171 1 1 1,419 5,676 23,420 1,171 1 1 1,419 5,676 23,420 1,171 1 1 1,419 5,676 23,420 1,171
MONTANA 5 5 2,101 3,086 18,560 646 - - - - - - 1 1 395 790 16,050 321 - - - - - -
NEBRASKA 3 3 505 1,010 225 24 - - - - - - - - - - - - - - - - - -
NEVADA 6 6 8,889 23,236 142,000 10,038 - - - - - - 4 4 8,245 21,948 128,700 9,690 - - - - - -
NEW HAMPSHIRE - - - - - - - - - - - - - - - - - - - - - - - -
NEW JERSEY 5 9 21,657 104,320 571,963 9,798 5 9 21,657 104,320 571,963 9,798 5 9 21,657 104,320 571,963 9,798 5 9 21,657 104,320 571,963 9,798
NEW MEXICO 3 3 804 1,333 4,888 34 - - - - - - - - - - - - - - - - - -
NEW YORK 10 15 38,956 165,986 424,730 20,429 9 14 38,373 164,820 419,450 19,901 4 9 32,181 145,156 323,576 18,180 4 9 32,181 145,156 323,576 18,180
NORTH CAROLINA 29 29 17,269 34,538 150,643 13,755 - - - - - - 4 4 4,108 8,216 50,500 10,185 - - - - - -
NORTH DAKOTA - - - - - - - - - - - - - - - - - - - - - - - -
OHIO 1 1 855 5,130 62,690 5,831 1 1 855 5,130 62,690 5,831 1 1 855 5,130 62,690 5,831 1 1 855 5,130 62,690 5,831
OKLAHOMA 5 5 1,620 4,440 16,400 1,140 - - - - - - - - - - - - - - - - - -
OREGON 14 14 10,590 23,030 98,035 10,519 - - - - - - 9 9 9,016 20,082 62,750 8,747 - - - - - -
PENNSYLVANIA 28 29 91,694 186,063 457,965 76,676 20 20 87,869 175,738 363,628 71,362 16 16 77,162 154,324 355,059 70,619 16 16 77,162 154,324 355,059 70,619
PUERTO RICO 3 5 5,401 15,330 223,500 6,385 3 5 5,401 15,330 223,500 6,385 3 5 5,401 15,330 223,500 6,385 3 5 5,401 15,330 223,500 6,385
RHODE ISLAND 1 1 1,791 3,582 300 250 - - - - - - - - - - - - - - - - - -
SOUTH CAROLINA - - - - - - - - - - - - - - - - - - - - - - - -
SOUTH DAKOTA 7 7 747 824 8,436 1,110 - - - - - - - - - - - - - - - - - -
TENNESSEE 14 15 12,847 42,855 160,376 10,452 3 4 6,965 33,159 68,771 6,248 8 9 10,427 32,570 100,196 7,217 2 3 5,876 25,536 40,130 3,671
TEXAS 6 6 7,008 23,028 228,955 9,370 3 3 5,823 21,542 200,351 9,260 4 4 5,057 19,126 222,480 9,310 2 2 4,173 18,242 194,076 9,205
U.S. VIRGIN ISLANDS - - - - - - - - - - - - - - - - - - - - - - - -
UTAH 8 8 7,348 14,180 45,810 13,238 - - - - - - 6 6 6,832 13,664 45,800 13,236 - - - - - -
VERMONT - - - - - - - - - - - - - - - - - - - - - - - -
VIRGINIA 17 19 61,177 156,300 504,556 33,327 12 14 57,161 145,620 467,606 32,775 13 15 57,823 149,592 487,606 33,175 12 14 57,161 145,620 467,606 32,775
WASHINGTON 61 64 43,791 166,190 1,812,687 92,707 8 9 22,446 110,530 621,163 25,540 43 46 35,881 146,344 1,632,094 81,708 7 8 21,821 108,030 614,630 25,409
WEST VIRGINIA 11 13 13,626 35,846 69,251 11,774 2 4 7,180 28,720 60,215 11,550 2 4 7,180 28,720 60,215 11,550 2 4 7,180 28,720 60,215 11,550
WISCONSIN 5 7 4,683 12,771 52,300 5,230 - - - - - - 3 4 3,501 7,203 26,400 2,640 - - - - - -
WYOMING 10 10 7,050 14,100 37,772 10,670 - - - - - - 10 10 7,050 14,100 37,772 10,670 - - - - - -
Total 552 599 718,855 2,054,216 13,460,577 813,848 190 222 521,466 1,575,612 8,116,688 508,125 312 353 582,647 1,764,542 12,220,987 748,359 162 194 479,287 1,473,136 7,793,686 495,071

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Updated: 07/07/2023
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