Longest Bridges in Alaska

The longest bridge in Alaska is the Main Street over Main Street Pelican, at 0.5 miles (2,830 ft) of total structure length. The table below ranks the longest bridges in Alaska by structure length.

BridgeCountyLengthYear BuiltDaily Traffic
Main Street over Main Street PelicanHoonah-Angoon2,830 ft (0.5 mi)193910
Loop Rd/c Street over Anchorage Port AccessAnchorage2,654 ft (0.5 mi)19753,910
Dalton Highway over Yukon RiverYukon-Koyukuk2,294 ft (0.4 mi)1975140
Alaska Highway over Robertson RiverSoutheast Fairbanks1,979 ft (0.4 mi)1944230
Marine HWY Route over Cold Bay DockAleutians East1,824 ft (0.3 mi)198010
Alaska Highway over Gerstle RiverSoutheast Fairbanks1,819 ft (0.3 mi)1944180
South Tongass HWY over Tongass Avenue ViaductKetchikan Gateway1,727 ft (0.3 mi)195614,564
South Tongass HWY over Water ST ViaductKetchikan Gateway1,624 ft (0.3 mi)195514,046
Copper River HWY over Million Dollar BridgeCounty 0631,566 ft (0.3 mi)191065
Glenn Highway over Knik River NorthboundAnchorage1,532 ft (0.3 mi)196513,300
Glenn Highway over Knik River SouthboundAnchorage1,532 ft (0.3 mi)199313,300
Edgerton/mccarthy over Copper River (chitina)County 0661,378 ft (0.3 mi)1971180
Parks Highway over Tanana River At NenanaYukon-Koyukuk1,307 ft (0.2 mi)19671,710
Jnu Douglas Br RD over Gastineau ChannelJuneau City and1,286 ft (0.2 mi)198112,800
Marine HWY Route over Homer City DockKenai Peninsula1,257 ft (0.2 mi)2002850
Near Island Road over Kodiak Harbor ChannelKodiak Island1,257 ft (0.2 mi)19861,970
Harbor Drive over Sitka HarborSitka City and1,254 ft (0.2 mi)19713,600
Copper River HWY over Copper River (flag Pt E)County 0631,225 ft (0.2 mi)197340
Copper River HWY over Copper DeltaCounty 0631,201 ft (0.2 mi)197740
Glenn Highway over Matanuska Riv NorthboundMatanuska-Susitna1,127 ft (0.2 mi)196513,300
Glenn Highway over Matanuska Riv SouthboundMatanuska-Susitna1,127 ft (0.2 mi)199313,300
Irr:marine HWY RTE over Tatitlek DockCounty 0631,113 ft (0.2 mi)199516
Parks Highway over Susitna RiverMatanuska-Susitna1,071 ft (0.2 mi)19651,650
Ifa Ferry Route over Petersburg S Mitkof TermPetersburg1,041 ft (0.2 mi)20062,659
Denali Highway over Susitna RiverMatanuska-Susitna1,039 ft (0.2 mi)195660
State Dock Road over Gustavus DockHoonah-Angoon1,023 ft (0.2 mi)2010710
Richardson Highway over Chena Flood Chanl - N.b.Fairbanks North Star981 ft (0.2 mi)19773,990
Richardson Highway over Chena Flood Chanl - S.b.Fairbanks North Star981 ft (0.2 mi)19773,990
Kenai Riv Crossing over Kenai River (kenai)Kenai Peninsula980 ft (0.2 mi)197410,000
Alaska Highway over Johnson RiverSoutheast Fairbanks974 ft (0.2 mi)1944180
Marine HWY Route over Kodiak Pier 2Kodiak Island924 ft (0.2 mi)1988100
Alaska Highway over Tanana RiverSoutheast Fairbanks902 ft (0.2 mi)2010250
Parks Highway over Nenana River At MoodyDenali891 ft (0.2 mi)19701,380
Seward Highway over Canyon CreekKenai Peninsula891 ft (0.2 mi)19974,268
Copper River HWY over Copper DeltaCounty 063880 ft (0.2 mi)197794
Parks Highway over Spring Creek NBMatanuska-Susitna819 ft (0.2 mi)20043,272
Irr:nome-council over Safety Sound EstuaryNome807 ft (0.2 mi)1978160
Anch Intl Airport over Aia Access Road RampAnchorage801 ft (0.2 mi)19682,020
Tok Cutoff over Chistochina RiverCounty 066798 ft (0.2 mi)2005330
Parks Highway over Chulitna RiverMatanuska-Susitna790 ft (0.1 mi)19701,120
Copper River HWY over Copper Riv (flag Pt Wst)County 063785 ft (0.1 mi)197340
Copper River HWY over Copper Riv (rnd Island)County 063785 ft (0.1 mi)197340
Richardson Highway over Tanana River Big DeltaSoutheast Fairbanks783 ft (0.1 mi)19661,990
Edgerton/mccarthy over Kuskulana RiverCounty 066774 ft (0.1 mi)191070
Salmon River Road over Hyder Harbor AccessPrince of Wales-Hyder766 ft (0.1 mi)2013120
Dayville Road over Lowe River Main ChannelCounty 063757 ft (0.1 mi)20061,330
Anch Intl Airport over Aia Curbside BridgeAnchorage741 ft (0.1 mi)20002,020
Birch Street over Birch Street ViaductPetersburg704 ft (0.1 mi)1960200
Irr:airport Beach over South Channel UnalaskaAleutians West700 ft (0.1 mi)20083,450
Water Street over Water ST No 2Ketchikan Gateway700 ft (0.1 mi)2018650
Hopkins Alley over Bauer-hopkins TrestleKetchikan Gateway696 ft (0.1 mi)1950400
Parks Highway over Spring Creek SBMatanuska-Susitna696 ft (0.1 mi)20042,857
Seward Highway over Twenty Mile RiverAnchorage652 ft (0.1 mi)20235,200
Seward Highway over Snow River Cntr ChannelKenai Peninsula648 ft (0.1 mi)19651,700
Parks Highway over North Slough Tanana RivYukon-Koyukuk617 ft (0.1 mi)19671,710
Eagle River Loop over Eagle RiverAnchorage611 ft (0.1 mi)199210,900
Glenn Highway over Eagle River Southbound 2Anchorage600 ft (0.1 mi)202022,000
Seward Highway over Placer River Main CrossAnchorage598 ft (0.1 mi)20233,900
Glenn Highway over Eagle River Northbound 2Anchorage583 ft (0.1 mi)201522,000
Steese Highway over Chena River (steese Hwy)Fairbanks North Star579 ft (0.1 mi)197723,300
Elmore Road over South Fork Campbell CRAnchorage565 ft (0.1 mi)200720,800
Parks Highway over Hurricane GulchMatanuska-Susitna558 ft (0.1 mi)1971940
Taylor Highway over Forty Mile RiverSoutheast Fairbanks557 ft (0.1 mi)197420
Young St/sayles ST over Dunton ST ViaductKetchikan Gateway540 ft (0.1 mi)1979565
Irr:marine HWY RTE over Chenega DockCounty 063535 ft (0.1 mi)199510
IRR BIA RTE 6068 over Swampy SloughBethel532 ft (0.1 mi)2014400
Spruce Mill Way over Front St/spruce Mill WayKetchikan Gateway529 ft (0.1 mi)1969735
Glenn Highway over Caribou CreekMatanuska-Susitna524 ft (0.1 mi)20041,160
Parks Highway over Chena Riv (parks Hwy) NBFairbanks North Star520 ft (0.1 mi)19957,700
Parks Highway over Chena Riv (parks Hwy) SBFairbanks North Star518 ft (0.1 mi)19757,700
Parks Highway over Nenana River At RexDenali509 ft (0.1 mi)1963910
Old Glenn Palmer over Knik RiverMatanuska-Susitna505 ft (0.1 mi)19751,380
Richardson Highway over Salcha RiverFairbanks North Star504 ft (0.1 mi)1967930
Haines Highway over Chilkat RiverHaines503 ft (0.1 mi)1958340
IRR BIA RTE 735 over Sukkwan StraitPrince of Wales-Hyder502 ft (0.1 mi)19705
Parks Highway over Nenana River Park StaDenali500 ft (0.1 mi)19702,340
Marine HWY Route over Petersburg Ferry TermPetersburg500 ft (0.1 mi)198653
Healy Spur Road over Nenana River At HealyDenali498 ft (0.1 mi)1971720
Irr:ocean Cape RD over Ankau SloughYakutat City and495 ft (0.1 mi)1961457
Cape Yakataga Brid over South Chan Yakataga RiveYakutat City and490 ft (0.1 mi)200612
Irr:marine HWY RTE over False Pass DockAleutians East490 ft (0.1 mi)199210
Richardson Highway over Lowe River Upper CrossCounty 063484 ft (0.1 mi)1985810
Klondike Highway over Skagway RiverSkagway481 ft (0.1 mi)19741,200
Copper River HWY over Copper DeltaCounty 063480 ft (0.1 mi)197765
Richardson Highway over Tazlina RiverCounty 066469 ft (0.1 mi)1973640
Parks Highway over Whites Crossing OverheadMatanuska-Susitna459 ft (0.1 mi)20024,700
Richardson Highway over Lowe River Lower CrossCounty 063457 ft (0.1 mi)1974810
Old Glenn Palmer over Matanuska RiverMatanuska-Susitna456 ft (0.1 mi)19978,140
Totchaket Road over Nenana River TotchaketYukon-Koyukuk443 ft (0.1 mi)201910
Ferry Terminal RD over Cordova Ferry TerminalCounty 063439 ft (0.1 mi)2004100
Irr:suravak Road over Wood RiverDillingham439 ft (0.1 mi)2015340
Sandy Beach Road over Yakutat City DockYakutat City and435 ft (0.1 mi)1981926
Denali Park Road over Toklat RiverYukon-Koyukuk430 ft (0.1 mi)1987300
Denali Park Road over Toklat RiverYukon-Koyukuk430 ft (0.1 mi)1987300
Dangerous River RD over Dangerous RiverYakutat City and429 ft (0.1 mi)197640
Dalton Highway over South Fork Koyukuk RiverYukon-Koyukuk422 ft (0.1 mi)1972140
Sterling Highway over Kenai River (soldotna)Kenai Peninsula417 ft (0.1 mi)200715,100
Eagle View Drive over Eagle River W FrontageAnchorage416 ft (0.1 mi)19741,000
Old Seward Highway over Rabbit CR OvercrossingAnchorage414 ft (0.1 mi)199010,200
Irr:marine HWY RTE over Old Harbor City DockKodiak Island411 ft (0.1 mi)2011100
Basin Road over Basin Road TrestleJuneau City and407 ft (0.1 mi)1936280
Richardson Highway over Gulkana RiverCounty 066404 ft (0.1 mi)1974880
Copper River HWY over Scott Glacier No 6County 063401 ft (0.1 mi)1966520
Sterling Highway over Kenai River (cooper Lnd)Kenai Peninsula401 ft (0.1 mi)19652,830
Copper River HWY over Copper DeltaCounty 063400 ft (0.1 mi)197765
Copper River HWY over Copper DeltaCounty 063400 ft (0.1 mi)197794
Bravo Route over Eagle RiverAnchorage393 ft (0.1 mi)19981,000
Parks Highway over Nenana River At WindyDenali389 ft (0.1 mi)19741,090
Sing Lee Alley over Rasmus Enge BridgePetersburg388 ft (0.1 mi)1945100
Thomas Street over Thomas TrestleKetchikan Gateway383 ft (0.1 mi)1960400
Seward Highway over Trail RiverKenai Peninsula382 ft (0.1 mi)20131,700
Whittier Access RD over Portage CreekAnchorage382 ft (0.1 mi)1999830
Glacier Highway over Mendenhall RiverJuneau City and377 ft (0.1 mi)201515,923
Irr:landfill Road over Kouwegok SloughNome377 ft (0.1 mi)200020
Seward Highway over Placer River OverflowAnchorage375 ft (0.1 mi)20223,900
Parks Highway over Middle Fork Chulitna RivMatanuska-Susitna362 ft (0.1 mi)2016900
Parks Highway over Broad Pass OverheadMatanuska-Susitna362 ft (0.1 mi)2016900
Copper River HWY over Scott Glacier No 11County 063361 ft (0.1 mi)1966520
Denali Highway over Maclaren RiverMatanuska-Susitna361 ft (0.1 mi)198650
Irr:nome-teller RD over Sinuk RiverNome360 ft (0.1 mi)196720
Porcupine Crossing over Klehini RiverHaines359 ft (0.1 mi)2017110
Alaska Highway over Tok RiverSoutheast Fairbanks359 ft (0.1 mi)2019400
Glenn Highway over Hicks CreekMatanuska-Susitna358 ft (0.1 mi)20081,230
Parks Highway over Nenana River Park BndDenali358 ft (0.1 mi)19731,680
Elmore Road over North Fork Campbell CRAnchorage357 ft (0.1 mi)200720,800
South Tongass HWY over Front And Mill ST ViadKetchikan Gateway356 ft (0.1 mi)19736,830
Irr:steese Highway over Birch CreekYukon-Koyukuk354 ft (0.1 mi)1957110
Glenn Highway over Chickaloon RiverMatanuska-Susitna353 ft (0.1 mi)20161,110
IRR BIA RTE 6014 over Very Small SloughBethel352 ft (0.1 mi)2014200
Edgerton/mccarthy over Tonsina RiverCounty 066351 ft (0.1 mi)1976440
Tok Cutoff over Gakona RiverCounty 066335 ft (0.1 mi)2010410
Tok Cutoff over Tok RiverCounty 066335 ft (0.1 mi)2016330
Edgerton/mccarthy over Lakina RiverCounty 066335 ft (0.1 mi)201670
Wendell Avenue over Chena River (wendell)Fairbanks North Star334 ft (0.1 mi)20216,250
Dalton Highway over Atigun River No. 2North Slope334 ft (0.1 mi)2000130
Denali Park Road over Teklanika RiverYukon-Koyukuk333 ft (0.1 mi)19551,300
Dalton Highway over Mid Fork Koyukuk River 1Yukon-Koyukuk333 ft (0.1 mi)1972140
Marine HWY Route over Seldovia City DockKenai Peninsula324 ft (0.1 mi)196760
Richardson Highway over Tiekel River Upper XingCounty 066320 ft (0.1 mi)1978440
Irr:craig/klwk HWY over Klawock RiverPrince of Wales-Hyder320 ft (0.1 mi)19901,990
Egan Drive over Mineral CreekCounty 063319 ft (0.1 mi)1982620
Irr:jafet Drive over Snake RiverNome317 ft (0.1 mi)20131,000
Steese Highway over Chatanika RiverFairbanks North Star317 ft (0.1 mi)1967210
Craig/klawock/holl over Maybeso CreekPrince of Wales-Hyder316 ft (0.1 mi)1985140
Richardson Highway over Klutina RiverCounty 066308 ft (0.1 mi)1989410
Ifa Ferry Route over Coffman Cove Ferry TermPrince of Wales-Hyder308 ft (0.1 mi)200679
Irr:nome-taylor RD over Kuzitrin RiverNome306 ft (0.1 mi)196150
Douglas Highway over Lawson CreekJuneau City and304 ft (0.1 mi)19356,160
Richardson Highway over Lowe River Lwr KeystoneCounty 063303 ft (0.1 mi)1980810
Richardson Highway over Lowe River Upr KeystoneCounty 063303 ft (0.1 mi)1980810
Denali Park Road over Savage RiverYukon-Koyukuk300 ft (0.1 mi)19831,300
Parks Highway over Dry CreekDenali300 ft (0.1 mi)19651,640
Taylor Highway over South Fork 40 Mile RiverSoutheast Fairbanks299 ft (0.1 mi)1977130
Calhoun Avenue over Calhoun ViaductJuneau City and294 ft (0.1 mi)19342,816
Glenn Highway over Kings RiverMatanuska-Susitna292 ft (0.1 mi)20241,550
Ferry Shuttle RTE over Revilla Airport F.t. IIKetchikan Gateway291 ft (0.1 mi)20241,023
Trunk Road over Trunk Road O.c.Matanuska-Susitna291 ft (0.1 mi)20006,780
Seward Highway over Portage Creek No 1Anchorage291 ft (0.1 mi)20235,080
Seward Highway over Portage Creek No 2Anchorage290 ft (0.1 mi)20235,160
Intl Airport RD over Minnesota DR InterchangeAnchorage290 ft (0.1 mi)199912,800
Glenn Highway over Little Nelchina RiverCounty 066285 ft (0.1 mi)1973820
Sterling Highway over Kasilof RiverKenai Peninsula283 ft (0.1 mi)19665,770
Irr:nome-council over Nome RiverNome283 ft (0.1 mi)1967430
Denali Park Road over East Fork Toklat RiverYukon-Koyukuk283 ft (0.1 mi)1955300
Marine HWY Route over Tenakee City DockHoonah-Angoon282 ft (0.1 mi)197710
Sterling Highway over Kenai River (schooners)Kenai Peninsula281 ft (0.1 mi)19542,900
Ferry Shuttle RTE over Gravina Airport F.t. IIKetchikan Gateway280 ft (0.1 mi)2024348
University AVE over Chena River (univ Ave)Fairbanks North Star279 ft (0.1 mi)202114,700
Johansen Expresswy over Geist Road OverheadFairbanks North Star279 ft (0.1 mi)198918,300
Irr:kng Cove Hbr over King Cove LagoonAleutians East276 ft (0.1 mi)2002150
Eagle River Access over North Eagle River O.c.Anchorage273 ft (0.1 mi)19916,730
Dalton Highway over Mid Fork Koyukuk River 2Yukon-Koyukuk272 ft (0.1 mi)1972110
De Armoun Road over De Armoun OvercrossingAnchorage269 ft (0.1 mi)19905,350
Parks Highway over Little Coal CreekMatanuska-Susitna268 ft (0.1 mi)1969970
Mccarrey Street over Mccarrey OcAnchorage266 ft (0.1 mi)19863,160
River Road over Chena RiverFairbanks North Star262 ft (0.0 mi)19881,500
Peger Road over Chena River (peger Rd)Fairbanks North Star257 ft (0.0 mi)197714,900
Glenn Highway over Anc-palmer Flyover RampMatanuska-Susitna256 ft (0.0 mi)20041,245
Copper River HWY over Eyak RiverCounty 063254 ft (0.0 mi)19541,110
Sterling L/ophir over Takotna RiverYukon-Koyukuk254 ft (0.0 mi)194145
Old Glenn Highway over Eklutna RiverAnchorage253 ft (0.0 mi)2016550
Richardson Highway over Tonsina RiverCounty 066253 ft (0.0 mi)1957290
River Road over Chena RiverFairbanks North Star253 ft (0.0 mi)202050
Old Sterling HWY over Anchor RiverKenai Peninsula253 ft (0.0 mi)20211,380
Birchwood Loop RD over North Birchwood OcAnchorage253 ft (0.0 mi)19834,350
Dayville Road over Lowe River North ChannelCounty 063252 ft (0.0 mi)20061,330
Shirley Towne DR over Willow CreekMatanuska-Susitna252 ft (0.0 mi)198720
Irr:northway Road over Chisana RiverSoutheast Fairbanks251 ft (0.0 mi)1944210
Parks Highway over Little Susitna RiverMatanuska-Susitna250 ft (0.0 mi)20044,700
Nabesna Road over Slana RiverCounty 066250 ft (0.0 mi)1968130
Exit Glacier Road over Resurrection RiverKenai Peninsula250 ft (0.0 mi)1985200
Glenn Highway over Knik Riv. Overflow S.b.Matanuska-Susitna250 ft (0.0 mi)199313,300
Glenn Highway over Knik Riv. Overflow N.b.Matanuska-Susitna250 ft (0.0 mi)199313,300
Elliott Highway over Chatanika RiverFairbanks North Star249 ft (0.0 mi)1971910
Copper River Road over National CreekWrangell City and248 ft (0.0 mi)20091
South Tongass HWY over Front Street ViaductKetchikan Gateway247 ft (0.0 mi)19698,330
Parks Highway over Montana CreekMatanuska-Susitna246 ft (0.0 mi)20232,780
Richardson Highway over Jarvis CreekSoutheast Fairbanks245 ft (0.0 mi)20151,880
Vfw Road over Eagle River E FrontageAnchorage243 ft (0.0 mi)1981200
Irr:old Align Rich over Klutina RiverCounty 066243 ft (0.0 mi)1957480