Longest Bridges in Idaho

The longest bridge in Idaho is the US 95 over Pend Oreille R;sandpoint, at 1.1 miles (5,898 ft) of total structure length. The table below ranks the longest bridges in Idaho by structure length.

BridgeCountyLengthYear BuiltDaily Traffic
US 95 over Pend Oreille R;sandpointBonner5,898 ft (1.1 mi)198118,500
I 90 over I 90b;canyon CRShoshone4,478 ft (0.8 mi)199111,000
Sma7344;bryden Cyn over Snake R;high/southway BrNez Perce1,866 ft (0.4 mi)198222,000
I 90 over Bennett Bay;sunnyside RDKootenai1,729 ft (0.3 mi)199118,500
SH 16 over Boise RiverAda1,726 ft (0.3 mi)201418,000
US 30 over Snake River;gridley Br.Gooding1,560 ft (0.3 mi)19612,100
Stc4783;dent Br RD over N.fk.clearwater;dent BrClearwater1,558 ft (0.3 mi)1971190
US 93 over Snake River; Perrine Br.Twin Falls1,500 ft (0.3 mi)197631,500
SH 21 over Boise RiverAda1,495 ft (0.3 mi)19966,800
US 12 over US 12;snake RiverNez Perce1,423 ft (0.3 mi)193921,000
US 95 over Kootenai R;uprr;bnnrs FyBoundary1,379 ft (0.3 mi)198413,000
US 12 over Clearwater River;bnrrNez Perce1,352 ft (0.3 mi)195121,000
I 90 Ebl over Cda Lake;blue Creek BayKootenai1,318 ft (0.2 mi)19728,750
SH 200 over Bnrr;lake Pend OreilleBonner1,317 ft (0.2 mi)19633,000
I 84b Nbl over Snake River;heyburn Br.Cassia1,312 ft (0.2 mi)195515,000
I 84b Sbl over Snake River;heyburn Br.Cassia1,312 ft (0.2 mi)197717,000
I 90 Wbl over Cda Lake;blue Creek BayKootenai1,310 ft (0.2 mi)19518,750
US 12 over Clwater R.;nprr;arrow BrNez Perce1,248 ft (0.2 mi)19724,900
US 2 over Pend Oreille R;oldtown BBonner1,236 ft (0.2 mi)198811,500
US 95 over Nprr;clearwater RiverNez Perce1,229 ft (0.2 mi)19626,400
US 2 over Moyie R.gorge;moyie Br.Boundary1,223 ft (0.2 mi)19652,600
US 2 over Uprr (dover Bridge)Bonner1,219 ft (0.2 mi)20126,400
Grandad Road over N.fk.clearwater;grandadClearwater1,208 ft (0.2 mi)1971100
SH 39 Sbl over Snake R.;am.falls Br.Power1,144 ft (0.2 mi)19752,900
SH 25 over Snake River;downard BrMinidoka1,123 ft (0.2 mi)19942,600
I 84 Ebl over Rd;uprr;snake R;glenns FElmore1,122 ft (0.2 mi)19749,750
I 84 Wbl over Rd;uprr;snake R;glenns FElmore1,094 ft (0.2 mi)19749,750
Stc 5770;wisconsin over Pend Oreille RiverBonner1,088 ft (0.2 mi)19565,300
Paradise Crk ST over Paradise CreekLatah1,061 ft (0.2 mi)19674,200
US 95 over US 95nb Off R;sand CreekBonner1,037 ft (0.2 mi)201212,500
US 95 over Spokane R;ped/bike PathKootenai1,018 ft (0.2 mi)196815,500
Stc 5788;river RD over Clark Fork RiverBonner1,005 ft (0.2 mi)2004820
I 84 Ebl over Snake RiverMinidoka1,003 ft (0.2 mi)20179,750
I 84 Wbl over Snake RiverMinidoka1,003 ft (0.2 mi)20169,750
W.airport Way-dept over W.airport Way-arrivalAda1,002 ft (0.2 mi)20044,000
I 84 Ebl over Snake River;king HillElmore998 ft (0.2 mi)19749,750
I 84 Wbl over Snake River;king HillElmore998 ft (0.2 mi)19749,750
Stc2866;baseline R over Snake R.(montgomery Br)Minidoka959 ft (0.2 mi)19541,500
I 84 Ebl over Snake River;ontario BrPayette953 ft (0.2 mi)196013,000
I 84 Wbl over Snake River;ontario BrPayette953 ft (0.2 mi)196013,000
US 95 over Lawyers Canyon CreekIdaho918 ft (0.2 mi)19913,500
Sma 7505;n Spokane over Spokane R.;post Falls BrKootenai899 ft (0.2 mi)19716,400
Stp 7151;benton ST over S.1st Ave;uprr;benton OpBannock894 ft (0.2 mi)196710,000
US 30 Ebl Spur over Snake R;fruitland BridgePayette887 ft (0.2 mi)196724,500
US 95 Spur over Snake River; Weiser BrWashington875 ft (0.2 mi)20103,800
Front Avenue over Cda Parking GarageKootenai871 ft (0.2 mi)20146,049
I 84b over Snake River;overland BrCassia850 ft (0.2 mi)200126,000
SH 21 over Mores Cr;lucky Peak Res.Ada848 ft (0.2 mi)19533,500
I 15 Nbl over Snake River;blackfoot BrBingham831 ft (0.2 mi)200313,000
I 15 Sbl over Snake River;blackfoot BrBingham831 ft (0.2 mi)200213,000
I 184 over I 84;flying Wye IcAda816 ft (0.2 mi)200026,000
Nhs 6710;york RD over Snake RiverBonneville812 ft (0.2 mi)19637,200
SH 55 over Snake River (marsing Br)Owyhee812 ft (0.2 mi)20207,500
US 95 over Whitebird CreekIdaho811 ft (0.2 mi)19752,800
Cherry Lane over Clearwater RiverNez Perce805 ft (0.2 mi)2023340
US 26 over S.fk.snake R;swan Val.brBonneville783 ft (0.1 mi)19815,300
US 95 over Salmon R.;award Br.Idaho782 ft (0.1 mi)19692,200
US 95 Sbl over Lake Creek;ness RoadKootenai780 ft (0.1 mi)20073,000
US 95 Nbl over Lake Creek;ness RoadKootenai771 ft (0.1 mi)20073,000
Sma8353;16th AVE over Uprr;1st ST NCanyon766 ft (0.1 mi)196920,000
SH 50 over Snake River;hansen Br.Twin Falls762 ft (0.1 mi)19669,200
I 15b;sunnyside RD over Snake RiverBonneville736 ft (0.1 mi)200615,500
US 95 over Deep Cr;bnrr;uprr;naplesBoundary729 ft (0.1 mi)19657,300
US 89 over Uprr;12th St.;montpelierBear Lake720 ft (0.1 mi)19714,800
I 184 Wbl Connectr over US 20-26;boise Rv SloughAda714 ft (0.1 mi)199128,250
US 95 over Salmon R.;mckinzie Br.Idaho703 ft (0.1 mi)19692,200
US 20 26;fap 21spr over Snake River;nyssa BridgeCanyon696 ft (0.1 mi)19575,300
SH 52 over Snake River;payette Br.Payette688 ft (0.1 mi)19535,100
US 95 over Snake River;homedale Br.Owyhee687 ft (0.1 mi)196911,000
SH 45 over Snake R.(walters Ferry)Owyhee685 ft (0.1 mi)19721,900
I 84 Ebl over I 84b;uprr;heyburn IcMinidoka678 ft (0.1 mi)196110,500
I 84 Wbl over I 84b;uprr;heyburn IcMinidoka678 ft (0.1 mi)196110,500
US 12 over Clearwater R.(kamiah Br)Lewis671 ft (0.1 mi)19984,700
Sma 7711; Rose RD over Snake R.;porterville Br.Bingham658 ft (0.1 mi)19703,900
I 90 Ramp EB Off over I90r.ab;i90b;s.f.cda RvrShoshone650 ft (0.1 mi)1991800
US 20 Wbl over Snake River;lorenzo Br.Jefferson642 ft (0.1 mi)197415,250
SH 52 over Uprr;payette OverpassPayette642 ft (0.1 mi)19624,900
US 20 Ebl over Snake River;lorenzo Br.Jefferson639 ft (0.1 mi)198015,250
SH 51 over Snake RiverOwyhee629 ft (0.1 mi)20181,300
Stc 5804;copeland over Kootenai R.;copeland Br.Boundary623 ft (0.1 mi)1969300
I 184 Ebl Connectr over US 20-26;boise Rv SloughAda622 ft (0.1 mi)199128,250
Nhs 7773;10th AVE over City St;uprr;caldwell OpCanyon621 ft (0.1 mi)195619,500
SH 167 over Snake River;grandview BrOwyhee613 ft (0.1 mi)19701,600
US 30 over Uprr & Canal; Topaz OpBannock612 ft (0.1 mi)20115,700
Stp8423;amity AVE over Uprr;amity AVE OpCanyon607 ft (0.1 mi)200713,500
SH 97 over Coeur Dalene RiverKootenai605 ft (0.1 mi)2007820
Nhs9493;w Park Ctr over Boise RiverAda601 ft (0.1 mi)200110,500
US 20 Wbl & Ebl over Boise RiverAda597 ft (0.1 mi)199037,500
Stc4705;doumecq RD over Salmon R;whitebird TrussIdaho584 ft (0.1 mi)1935550
SH 13 over M.fk.clearwater RiverIdaho576 ft (0.1 mi)19943,000
I 90 EB & WB over S.fk.cda R;fr.rd.Shoshone568 ft (0.1 mi)197811,000
SH 78 over Snake R.;indian Cove Br.Owyhee562 ft (0.1 mi)19671,600
S3802;slick Ranch over Snake Rvr(slick Bridge)Elmore560 ft (0.1 mi)1965260
Stc5711;st Joe Rvr over ST Joe RiverShoshone556 ft (0.1 mi)1985930
Snake Rvr AVE Ramp over Ramp;snake River;high BrNez Perce549 ft (0.1 mi)19825,550
US 20 Wbl over Americana Blvd;15th St.Ada548 ft (0.1 mi)199232,500
Stc6731;w 145 N over Snake RiverBonneville545 ft (0.1 mi)19672,800
SH 58 over US 95 IcKootenai543 ft (0.1 mi)20083,400
SH 34 over Bear River;grace BridgeCaribou541 ft (0.1 mi)19742,200
US 20 Ebl over Americana Blvd;15th St.Ada540 ft (0.1 mi)199228,000
SH 31 over Pine CreekBonneville532 ft (0.1 mi)19382,700
Lenore Grade Road over Clearwater R;lenore Br.Nez Perce525 ft (0.1 mi)1935400
Old River Road over ST Joe River;avery BrShoshone522 ft (0.1 mi)1935330
SH 5 over Smrr;uprr;plummer CrkBenewah520 ft (0.1 mi)20162,600
Stc1853;sweden HWY over Snake River;n.shelley BrBingham520 ft (0.1 mi)19844,400
Stc 5711;moon Pass over Squaw CreekShoshone517 ft (0.1 mi)1909370
SH 7 over N.fk. Clearwater RiverClearwater516 ft (0.1 mi)19992,100
Us95 SB Off Ramp over Sand CreekBonner514 ft (0.1 mi)20127,000
Stc 3810; Frontage over Snake R.;glenns Ferry BrElmore511 ft (0.1 mi)1968430
E 2800 S over I 84 Eb-wb;e 2800 S GsGooding508 ft (0.1 mi)1972160
I 90 Ebl over Coeur Dalene RiverKootenai508 ft (0.1 mi)19647,000
I 90 Wbl over Coeur Dalene RiverKootenai508 ft (0.1 mi)19647,000
S5907;deep Crk Lp over Bnrr;uprr & Deep CreekBoundary501 ft (0.1 mi)1936900
US 93 over Rock CreekTwin Falls498 ft (0.1 mi)201115,000
US 95 over Salmon River;goff BridgeIdaho495 ft (0.1 mi)19992,200
US 95 over Payette RiverPayette483 ft (0.1 mi)196819,500
Stc1888;ferry Bte over Snake R.;ferry Butte Br.Bingham482 ft (0.1 mi)19641,800
Sma 7611;w. Bridge over Snake RiverBingham482 ft (0.1 mi)19366,900
E 1300 N over Henrys Fk Snake RiverFremont482 ft (0.1 mi)2020500
Or 86 (hwy 012) over Snake River (oxbow)Adams481 ft (0.1 mi)196198
SH 13b over M.f.clwater R.;e.kooskiaIdaho480 ft (0.1 mi)1935980
SH 52 over Payette RiverPayette473 ft (0.1 mi)19761,800
US 20; I 84b over Boise River;broadway BrAda472 ft (0.1 mi)201628,000
SH 79 over I 84 Eb-wb;s.jerome IcJerome470 ft (0.1 mi)196615,000
US 26 Ebl & Wbl over Snake River;w.blackfootBingham466 ft (0.1 mi)196518,000
I 90 Wbl over Spokane RiverKootenai464 ft (0.1 mi)197632,000
I 90 Ebl over Spokane RiverKootenai464 ft (0.1 mi)197632,000
Stp7243;e Park Ctr over Boise RiverAda463 ft (0.1 mi)200911,500
Old HWY 91 over Pleasant Valley CreekClark459 ft (0.1 mi)193450
US 20 over Henrys Fk. Snake RiverFremont458 ft (0.1 mi)20045,300
Garwood RD over US 95; Uprr; Old US 95Kootenai455 ft (0.1 mi)20223,000
I 86 Ebl over I 84 WblCassia452 ft (0.1 mi)202019,000
SH 75 over Salmon River;slate CR BrCuster451 ft (0.1 mi)2011680
Little N Fork RD over Cda River;n.fk.cda RShoshone450 ft (0.1 mi)196830
Railroad Grade RD over St. Joe RiverBenewah448 ft (0.1 mi)190840
Forest Road 1614 over Salmon RiverIdaho444 ft (0.1 mi)1949140
Stc5745;e.fernan L over Fernan LakeKootenai443 ft (0.1 mi)2010820
Sma 7406;pancheri over Snake RiverBonneville442 ft (0.1 mi)197126,000
US 93 over Salmon River;salmon Br.Lemhi437 ft (0.1 mi)19267,300
Stc 3750;middleton over Boise RiverCanyon433 ft (0.1 mi)200411,000
SH 74 over Rock CreekTwin Falls433 ft (0.1 mi)199319,000
Sma 9773;linder RD over Boise River;n. ChannelAda431 ft (0.1 mi)199222,000
SH 3 over ST Joe RiverBenewah431 ft (0.1 mi)20194,800
SH 3 over Cda River;rose LakeKootenai431 ft (0.1 mi)19971,900
Stc8223;northside over Uprr;nampa Rr OverpassCanyon430 ft (0.1 mi)196829,000
I 184b Ebl & Wbl over S7403;uprr;franklin IcAda428 ft (0.1 mi)200176,500
SH 7 over Clearwater RiverClearwater428 ft (0.1 mi)19987,800
SH 200 over Lightning CreekBonner425 ft (0.1 mi)20102,000
US 95 over Boise RiverCanyon424 ft (0.1 mi)19613,900
Sma7217;s. Valley over S 2nd;portneuf R;uprrBannock422 ft (0.1 mi)20165,200
Stc 3740;notus RD over Boise River;notus BridgeCanyon422 ft (0.1 mi)19962,800
Stc5711;st Joe Rvr over ST Joe RiverShoshone419 ft (0.1 mi)1990370
Stc 1843; Firth RD over Snake River;firth BridgeBingham418 ft (0.1 mi)2003510
Stc 1847; E 1250 N over Snake River;w.shelley BrBingham416 ft (0.1 mi)19653,300
I 15 Nbl over I 86 WB RampBannock414 ft (0.1 mi)202319,250
I 15 Nbl over I 86 EB RampBannock414 ft (0.1 mi)20239,750
SH 48 over Snake River;roberts Br.Jefferson414 ft (0.1 mi)19782,000
I 86b over Uprr;amr.falls North OpPower414 ft (0.1 mi)19924,100
SH 55 over Uprr;n.fk.payette RiverValley411 ft (0.1 mi)19334,100
No Data Entered over Nf Clearwater RiverClearwater405 ft (0.1 mi)196220
I 90 Wbl over S 5750;pine Cr;pinehurstShoshone405 ft (0.1 mi)19657,000
Victory Rd;6th AVE over Rock CreekTwin Falls405 ft (0.1 mi)19911,000
Stc 6768;s 600 E over S. Fork Snake RiverJefferson403 ft (0.1 mi)19991,600
Sma 8803;6th AVE over Payette RiverPayette403 ft (0.1 mi)19591,400
I 84 EB Off Ramp over Boise River;ramp Ab BrCanyon402 ft (0.1 mi)19805,000
I 84 WB On Ramp over Boise River;ramp Da BrCanyon400 ft (0.1 mi)19805,000
Stc4710;graves Crk over Salmon RiverIdaho399 ft (0.1 mi)197330
I 15 Sbl over Stc 1758;uprr;inkom OpBannock398 ft (0.1 mi)19638,000
2400 E over I 84;eirr;2400 E GsGooding398 ft (0.1 mi)197170
Fdr 105 over Nf Clearwater RiverClearwater396 ft (0.1 mi)193720
E 2100 S over I 84 Eb-wb;e 2100 S GsGooding396 ft (0.1 mi)197760
I 90 Ebl over S 5750;pine Cr;pinehurstShoshone395 ft (0.1 mi)19657,000
I 86 WB Ramp over I 84Cassia395 ft (0.1 mi)2020400
Stp7605;seltice Wy over I 90 Eb-wb;seltice IcKootenai395 ft (0.1 mi)197718,000
Stc5727;ramsey RD over Bnsf Rr; Diagonal RDKootenai393 ft (0.1 mi)20215,100
SH 55 over N. Fk. Payette RiverValley393 ft (0.1 mi)20137,800
I 15 Sbl over I15b;uprr;s.blackfoot IcBingham392 ft (0.1 mi)196113,750
I 15 Nbl over I15b;uprr;s.blackfoot IcBingham392 ft (0.1 mi)196113,750
I 90ramp WB On over Bike/ped UnderpassShoshone391 ft (0.1 mi)1991800
US 91 over I 15 Nb-sb;virginia IcBannock390 ft (0.1 mi)19711,500
I 15 Nbl over Stc 1758;uprr;inkom OpBannock389 ft (0.1 mi)19638,000
Stc 7787;plymouth over Boise River & CanalCanyon388 ft (0.1 mi)19222,100
N 300 W over I 84;eirr;300 W GsJerome388 ft (0.1 mi)1971130
Old US 30 over Uprr;e.hammett Rr OpElmore387 ft (0.1 mi)2019120
Forest Road 470 over Selway R SwiftwaterIdaho384 ft (0.1 mi)193650
Stp 7343;fairview over Boise RiverAda381 ft (0.1 mi)19765,500
US 95 over Bnrr;arizona St.Boundary381 ft (0.1 mi)197213,000
SH 33 over Canyon CreekMadison379 ft (0.1 mi)20063,500
US 95 Ramp Nbl over US 95r Sbl;lewiston IcNez Perce379 ft (0.1 mi)19774,500
Stp 7343;fairview over Boise RiverAda377 ft (0.1 mi)19325,500
Stc 3770;star RD over Boise River(star Bridge)Ada377 ft (0.1 mi)198211,000
SH 55 over Payette RiverBoise375 ft (0.1 mi)19717,800
S 2200 E over I 84;eirr;s 2200 E GsGooding375 ft (0.1 mi)1971460
US 30 over Malad R.;n.hagerman Br.Gooding373 ft (0.1 mi)19562,100
SH 55 over Payette RiverBoise372 ft (0.1 mi)20218,800
US 26 over I 84 Eb-wb;e.bliss IcGooding367 ft (0.1 mi)19745,900
No Data Entered over N F Clearwater RiveClearwater366 ft (0.1 mi)1965145
Register RD over I 86;co Frontage RD GsPower363 ft (0.1 mi)198350
SH 11 over Clearwater R.;greer Br.Lewis362 ft (0.1 mi)19541,400
Clover Creek RD over I 84;clover Creek RD GsGooding360 ft (0.1 mi)1975430