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Every bridge in Ada County, Idaho

302 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

BridgeBuiltVehicles/dayCondition
I 84 Ebl & Wbl over Ridenbaugh Canal1966144,500Fair
I 84 over Ten Mile Creek1965131,000Fair
I 184B Ebl & Wbl over S7073;CANAL;COLE Rd200176,500Fair
I 184B Ebl & Wbl over S7403;UPRR;FRANKLIN Ic200176,500Good
I 184 Ebl over I 84 Wbl200168,500Good
SH 55;EAGLE Road over I 84 Eb-wb;eagle Rd Ic199058,000Fair
I 184;W Fairview over Settlers Canal196756,500Fair
I 84 over SH 21;GOWEN Rd Ic201552,000Good
SH 69 over Ten Mile Creek196349,500Fair
I 84 Ebl over New York Canal196845,750Good
I 84 Wbl over New York Canal196845,750Good
SH 55 over Boise River;s.channel197845,000Good
SH 55 over Boise River;n.channel197841,500Good
US 20 Wbl & Ebl over Boise River199037,500Fair
US 20 Wbl & Ebl over Sma 9083;27TH Street199037,500Fair
US 20 over Uprr;new York Canal197035,500Fair
Stp 9183;TEN Mile over Future North Crossing201135,000Fair
SH 69 over Ridenbaugh Canal199034,000Fair
STP7220;STATE St over Farmers Union Canal201934,000Good
SH 69 over Rawson Canal199033,500Fair
US 20;BROADWAY over I 84 Eb-wb;broadway Ic201533,000Good
US 20 Wbl over Americana BLVD;15TH St.199232,500Fair
Sma 7113; Curtis over Settlers Canal200029,000Fair
I 184 Ebl Connectr over US 20-26;boise Rv Slough199128,250Fair
I 184 Wbl Connectr over US 20-26;boise Rv Slough199128,250Fair
Nhs 7433;VISTA Ave over I 84 Eb-wb;vista Ave Ic201028,000Fair
Nhs 7433;VISTA Ave over New York Canal197328,000Fair
US 20 Ebl over Americana BLVD;15TH St.199228,000Fair
US 20; I 84B over Boise River;broadway Br201628,000Fair
I 184 over I 84;FLYING Wye Ic200026,000Good
I 84 Ebl over UPRR196926,000Good
I 84 Ebl over UPRR; Gowen Spur201526,000Good
I 84 Wbl over UPRR196926,000Good
I 84 Wbl over UPRR; Gowen Spur201526,000Good
Sma 7563;OVERLAND over Ridenbaugh Canal199126,000Fair
Sma 9183;TEN Mile over Ten Mile Drain199026,000Good
US 20 ;I 84B over Ridenbaugh Canal197026,000Fair
Stc 3856; Franklin over Five Mile Creek200425,000Good
Overland/cole Road over I 84;COLE/OVERLAND Ic199624,500Fair
Sma 7113;CURTIS Rd over I 184B;CURTIS Rd Ic196824,500Fair
SMA7553;FEDERAL Wy over US 20 26;FEDERAL Way Ic197024,000Fair
SMA9463;FIVE Mile over I 84;FIVE Mile Rd Gs196624,000Fair
Stp 9463;FIVE Mile over Ridenbaugh Canal199524,000Good
Rossi Street over Loggers Creek197923,500Fair
SMA9803;MAPLE Grve over Finch Lateral200823,000Fair
SMA9803;MAPLE Grve over I 84;MAPLE Grove Rd Gs198923,000Good
SMA9803;MAPLE Grve over Ridenbaugh Canal200823,000Good
Sma 7563;OVERLAND over Ten Mile Creek198623,000Fair
SMA9213;VETERANS P over Boise River198422,500Fair
SMA9213;VETERANS P over Boise River;n Channel198522,500Fair
SMA9213;VETERANS P over Farmers Union Canal198522,500Fair
Stp 7403;FRANKLIN over Ridenbaugh Canal199522,500Fair
SH 69;MERIDIAN Rd over I 84;SH 69 Meridian Ic201522,000Good
Sma 8963;EAGLE Rd over Ridenbaugh Canal201122,000Fair
Sma 9773;LINDER Rd over Boise R;middle Channel199122,000Fair
Sma 9773;LINDER Rd over Boise River;n. Channel199222,000Good
Sma 9773;LINDER Rd over Boise River;s.channel199322,000Fair
Sma 9773;LINDER Rd over Phyllis Canal199022,000Fair
SMA9243;VICTORY Rd over Five Mile Creek199221,500Good
Sma 9183;TEN Mile over Five Mile Creek202021,500Fair
SH 69 over Kuna Canal199021,000Fair
SH 69 over Mason Crk;feeder Canal199021,000Fair
Stp 9183;TEN Mile over I 84; Ten Mile Rd Ic201121,000Good
SMA7553;FEDERAL Wy over New York Canal198920,500Fair
SMA9783;LOCUST Grv over I 84;LOCUST Grove Gs200820,500Fair
STP8973;ORCHARD St over I 84 Eb-wb;orchard St Ic201020,500Good
Nhs 7433;VISTA Ave over Ridenbaugh Canal194720,000Fair
SMA7013;CLOVERDALE over I 84;CLOVERDALE Rd Gs201919,500Good
SMA7013;CLOVERDALE over Ridenbaugh Canal200519,500Fair
SMA7013;CLOVERDALE over Ridenbaugh Canal199219,500Fair
Sma 9183;TEN Mile over Ridenbaugh Canal199319,500Fair
Stp 9183;TEN Mile over Tasa Drive201119,500Fair
US 20 over Phyllis Canal202319,500Good
STP7343;ORCHARD St over I 184B;ORCHARD St Gs196819,000Fair
Sma 7093;MERIDIAN over Five Mile Creek199118,500Good
SH 16 over Boise River201418,000Good
SH 16 over Phyllis Canal201418,000Good
SH 16 over W.joplin Ct;eureka Canal201418,000Good
Sma 9833;MILWAUKEE over Ridenbaugh Canal197917,500Fair
Sma 7363;EMERALD over Ridenbaugh Canal197917,000Fair
Nhs 7553;CAPITOL over Boise River193116,500Fair
Sma 7143;USTICK Rd over North Slough201416,500Good
SH 55 over Farmers Union Canal199716,000Good
Stc 9623;W. Wright over New York Canal198916,000Fair
Nhs 7183;9TH St over Boise River198715,500Fair
I 84 Ebl over Indian Creek195315,250Fair
I 84 Wbl over Indian Creek196015,250Fair
I 84 Ebl over Kuna Rd; Blacks Creek Rd202015,000Good
I 84 Wbl over Kuna Rd; Blacks Creek Rd202015,000Fair
Nhm 7683;ORCHARD over New York Canal199015,000Fair
Sma 7143; Ustick over Settlers Canal200015,000Fair
SH 69 over Teed Lateral Canal199014,500Good
Sma 7143;USTICK Rd over Five Mile Creek199114,500Fair
Stp 7073;COLE Rd over Ridenbaugh Canal;cole Gs196814,500Good
Sma 7403;FRANKLIN over Ten Mile Creek199014,000Good
Stp 7343;MAIN St over Boise River196514,000Fair
SH 44 ;glenwood Rd over Boise River;glenwood Br199513,500Fair
SH 44 over Dry Creek199613,500Good
SH 44 over Middleton Canal195913,500Fair
SH 55 over Dry Creek199713,500Fair
SMA7013;CLOVERDALE over Ridenbaugh Canal196913,500Fair
SMA7013;CLOVERDALE over Ridenbaugh Canal196913,500Fair
SMA7013;CLOVERDALE over Ridenbaugh Canal200513,500Good
Sma 7073; S. Cole over New York Canal200613,500Good
Stp 7343;MAIN St over Boise River Slough196513,500Good
Stp 7343;MAIN St. over US 20-26 Chinden Blvd199113,500Fair
Sma 7363;EMERALD over Ridenbaugh Canal199013,000Fair
Emerald Street over I 184B E-w;emerald St Gs196812,500Fair
Sma 9463;FIVE Mile over Settlers Canal197512,500Fair
S9783;LOCUST Grove over Eight Mile Lateral200012,000Fair
SH 16 over Willow Creek201112,000Fair
Sma 7363;AMERICANA over Settlers Canal199312,000Good
Sma 7403;FRANKLIN over Ridenbaugh Canal198412,000Fair
Stp 7363;AMERICANA over Boise River199412,000Fair
Stp 8973;ORCHARD over Settlers Canal 35/36 St.198912,000Good
SH 16 over Middleton Canal195911,500Fair
STP7243;E Park Ctr over Boise River200911,500Fair
STP7243;E Park Ctr over Loggers Creek200911,500Good
STP7243;E Park Ctr over Walling Ditch200911,500Good
Stc 3770;STAR Rd over Boise River(star Bridge)198211,000Fair
Stc 3770;STAR Rd over Phyllis Canal196711,000Fair
NHS9493;W Park Ctr over Boise River200110,500Fair
SMA9243;VICTORY Rd over Ridenbaugh Canal196410,500Fair
Stc 3770;STAR Rd over Fivemile Creek202410,500Good
Stc 3770;STAR Rd over Fivemile Creek Feeder202410,500Good
US 30 over I 184B Wb-eb;fairview Rp196810,500Fair
SMA9243;VICTORY Rd over Calkins Lateral201610,000Good
SMA9243;VICTORY Rd over Ridenbaugh Canal198410,000Good
Sma 7113;CURTIS Rd over Ridenbaugh Canal19619,900Fair
Sma 7243;PROTEST over Ridenbaugh Canal19929,500Good
Stp 7563;OVERLAND over Ridenbaugh Canal20099,500Good
SMA7553;FEDERAL Wy over Ridenbaugh Canal19919,300Fair
S9783;LOCUST Grove over Ridenbaugh Canal19848,400Good
SMA9803;MAPLE Grve over Settlers Canal20077,800Good
STC3787;SWAN Falls over Indian Creek19407,800Fair
Sma 7179;N Bridge over Indian Creek19997,600Fair
Sma 7243;BEACON St over Loggers Creek19777,500Fair
SMA9613;MCMILLAN R over Settlers Canal20007,300Good
SMA7288;HILLRDPKWY over Drainage District No. 220017,100Fair
Stc 9163;APPLE St over Ridenbaugh Canal19927,100Fair
Sma 7643;HEALY Rd over New York Canal19647,000Poor
I 84 WB on Ramp over I 84 WB Off Ramp20036,800Fair
SH 21 over Boise River19966,800Good
NHM7683;GOWEN Rd over Union Pacific RR20226,700Good
Sma 7643;ECKERT Rd over Boise River(barber Br)19546,700Poor
Sma 7643;ECKERT Rd over Ridenbaugh Canal19546,700Poor
Stc 3799;USTICK Rd over Phyllis Canal19656,700Fair
STC9687;HS Bend Rd over Farmers Union Canal20126,600Fair
Lake Hazel Rd over New York Canal20186,500Good
Stc 9203;BARRISTER over Ridenbaugh Canal19786,500Fair
US 20 26 Ramp over Boise Rvr Slough;ramp19916,500Good
Sma 7343;CHERRY Ln over Ten Mile Creek19616,200Good
Sma 7603;BOISE Ave over Ridenbaugh Canal19886,100Fair
Sma 8683;BLACK Cat over Five Mile Creek19306,100Fair
Sma 9793; Main St over Boise Vrt Center20166,000Good
SMA7017;FL.FEATHER over Dry Creek19915,900Good
SMA7017;FL.FEATHER over Farmers Union Canal19845,900Good
Sma 7028;BEACON Lt over Dry Creek Canal19915,900Good
Sma 7028;BEACON Lt over Farmers Union Canal19925,900Good
Sma 7028;BEACON Lt over Farmers Union Canal19935,900Good
Sma 7028;BEACON Lt over Farmers Union Canal19625,900Fair
Stc 7233;ROOSEVELT over Ridenbaugh Canal19905,700Good
Barber Valley Dr over Walling Creek20185,500Good
Stp 7343;FAIRVIEW over Boise River19765,500Fair
Stp 7343;FAIRVIEW over Boise River19325,500Fair
SMA7606:BOWN Way over Ridenbaugh Canal20045,400Good
Columbia Road over Mason Creek Feeder Canal19895,200Fair
SMA3343;COLUMBIA over Ridenbaugh Canal19935,200Fair
SMA3343;LOCUST Ln over Indian Creek19675,200Fair
STC3728;LAKE Hazel over Farr Lateral Canal19925,100Fair
SMA3773;LINDER Rd over Mason Creek Feeder Canal19925,000Good
SMA9773;LINDER Rd over Ridenbaugh Canal19925,000Good
STC3761;PLUMMER Rd over Middleton Canal19714,900Fair
Sma 7030;STATE St over Dry Creek19594,900Fair
SMA8683;BLACK Cat over Ridenbaugh Canal19924,800Good
Sma 7273;LATAH St over Ridenbaugh Canal19914,800Fair
Sma 8683;BLACK Cat over I 84; Black Cat Rd Gs20094,800Good
Stc 9693;SEAMANS G over Farmers Union Canal19924,700Fair
Sma 7029;EAGLE Rd over Dry Creek20184,500Good
STP3764;AMITY Rd over Rawson Canal20164,300Good
Sma 7029;EAGLE Rd over Farmers Union Canal19934,200Good
Stc 9503;GEKELER over Ridenbaugh Canal19794,200Good
Stoddard Road over Ridenbaugh Canal19684,100Good
I 184 EB Off Ramp over I 184 EB on Ramp20034,000Fair
Sma 7288;HILL Rd over Farmers Union Canal19634,000Fair
W.airport Way-dept over W.airport Way-arrival20044,000Fair
Pine Ave over Ten Mile Creek20233,900Good
S3760;FLTG Feather over Middleton Canal19943,600Fair
S3760;FLTG Feather over Middleton Canal19663,600Good
Stc 3767;MUNGER Rd over Middleton Canal19653,600Good
Stc 7012;HILL Road over Dry Creek Canal20153,600Good
SH 21 over Mores Cr;lucky Peak Res.19533,500Fair
SMA3343;COLUMBIA over Rawson Canal19763,400Fair
Sma 7073;S.COLE Rd over New York Canal19713,400Fair
Stc 7073;S.COLE Rd over New York Canal19893,400Good
S3760;FLTG Feather over Dry Creek Canal19873,300Fair
STC3728;LAKE Hazel over Rawson Canal20243,300Good
Silverstone Way over Five Mile Creek20173,300Good
Stc 9273;CASTLE Dr over Farmers Union Canal19923,300Fair
Stc 7673;GOWEN Rd over Five Mile Creek19403,100Good
Stc 7673;GOWEN Rd over Five Mile Creek19403,100Fair
Stc 7673;GOWEN Rd over New York Canal20203,100Good
STC9373;DESERT Ave over New York Canal19762,800Fair
S3760;FLTG Feather over Middleton Canal19882,700Good
STC9573:E Mallard over Loggers Creek20232,700Good
STC3795;CLOVERDALE over New York Canal20142,600Good
Stc 3784;E Kuna Rd over New York Canal19772,600Good
Stc 7023;EDGEWOOD over Dry Creek Canal20152,600Fair
N. Liberty Street over Ridenbaugh Canal19502,200Fair
STP7851;MCDERMOTT over Five Mile Creek19912,100Good
Orchard Access Rd over I 84 Eb-wb;mayfield Ic19602,000Fair
S. Knapp Ave over Ridenbaugh Canal20052,000Good
Stp 3794;EAGLE Rd over Farr Lateral Canal19932,000Fair
STP3728;LAKE Hazel over Mason Creek Feeder Canal19921,900Good
STP3728;LAKE Hazel over Ridenbaugh High Line Cnl19921,900Good
Gekeler Lane over New York Canal19721,800Fair
STC9443;JOHNS Lndg over Farmers Union Canal19771,800Fair
N. Garden St over Boise River Slough19641,700Good
Phillippi St over Ridenbaugh Canal19921,700Fair
S3784;LOCUST Grove over Farr Lateral Canal19931,600Fair
S3784;LOCUST Grove over Rawson Canal19731,600Fair
STC3787;SWAN Falls over Mora Canal19811,600Fair
Stc 7393;OWYHEE St over New York Canal19971,600Good
S. Park River Dr over Ridenbaugh Canal19911,500Fair
SMA3778;DRY Crk Rd over Dry Creek20061,500Fair
SMA3909;KUNA Mora over Mora Canal19731,500Fair
Shoshone Street over Ridenbaugh Canal19891,500Good
Stc 7233;ROOSEVELT over New York Canal19751,500Fair
SMA3733;DEER Flat over Hubbard Creek19761,400Fair
SMA3733;DEER Flat over Mason Creek Feeder Canal19901,400Fair
Stc 9733;LAW Drive over Ridenbaugh Canal19891,400Good
SMA3613;MCMILLAN over Phyllis Canal19671,300Fair
STC3024;POLLARD Ln over Middleton Canal19671,300Fair
STC9123;ALLUMBAUGH over Ridenbaugh Canal19711,300Fair
Owyhee Street over Ridenbaugh Canal19921,200Good
SMA3909;KUNA Mora over Blacks Creek19681,200Fair
STC3768;HUBBARD over New York Canal20131,200Good
STC3768;HUBBARD over Rawson Canal19701,200Fair
Targee Street over Five Mile Creek19901,200Fair
SMA3683;BLACK Cat over Indian Creek19891,100Fair
SMA3683;BLACK Cat over Ridenbaugh Canal19881,100Good
Sma 9423;EISENMAN over I 84;ISAACS Canyon Ic19971,100Good
Bethel Street over Ridenbaugh Canal19981,000Good
Linder Rd over Big Gulch Wash #520241,000Good
S Wayfinder Ave over Ten Mile Creek20191,000Good
Silverberry Rd over Big Gulch Wash #420241,000Good
Woodbridge Rd over Five Mile Creek20011,000Good
Wylie Lane over Farmers Union Canal19991,000Fair
Sunderland Dr. over Settlers Canal1972991Good
Sma 3789;BOGUS over Main Fork Stuart Gulch1998820Good
Bison Drive over Sand Creek2000750Good
Alpine Steet over Elec Lght Switch Lateral1970730Fair
S3784;LOCUST Grove over Kuna Canal1949620Fair
S3784;LOCUST Grove over Mason Creek Feeder Canal1969620Fair
Stc 3771;KING Road over Mora Canal1978610Fair
Stc 7483;MCDERMOTT over Ridenbaugh Canal1969600Fair
STC3928;S Eagle Rd over Kuna Canal1988570Fair
STC3928;S Eagle Rd over Mason Creek Feeder Canal1990570Fair
STC3928;S Eagle Rd over New York Canal1997570Good
Alamosa Lane over Farmers Union Canal1996500Good
Christine Street over Settlers Canal1968500Fair
Salina Street over Sedona Creek2003500Fair
Stilson Road over Farmers Union Canal1979500Fair
E. Branchwood over Squaw Creek2001400Good
S. Findley Avenue over New York Canal1998400Good
S. Linda Vista Ave over Five Mile Creek2000400Good
Stc 3771;STROEBEL over North Indian Creek1982400Fair
Aspen Cove over Ridenbaugh Canal1974390Fair
STC3768;HUBBARD over Mason Creek1992390Fair
Eyrie Way over Sand Creek2001350Fair
Locust Grove Road over Mora Canal1976350Fair
Ten Mile Road over Mora Canal1970340Fair
Brookside Lane over Dry Creek1994250Good
Eagle Island Pkwy over Boise River2008250Good
Dickman Road over Waldvogel Canal1950200Fair
Joplin Road over Phyllis Canal1980200Fair
Medallion Road over Five Mile Creek1999200Good
Myers Street over Loggers Creek1972200Good
N. Echohawk Way over Farmers Union Canal1999200Good
N. Humphreys Way over Dry Creek2005200Good
Robinson Road over Waldvogel Canal1997200Fair
S. Bailey Way over Ten Mile Creek2007200Good
Bethel Court over Ridenbaugh Canal1981150Fair
Spring Creek Way over Dry Creek2021130Good
Hartley Lane over Farmers Union Canal2003120Good
N. Holl Drive over Farmers Union Canal1979120Fair
E. Carmel Drive over Five Mile Creek1996100Fair
N Fawnridge Way over Five Mile Creek2022100Good
S Standing Tmbr Av over Ridenbaugh Canal2016100Good
Echanove Rd over Currant Creek200299Good
Esther Simplot Pk over Esthers Pond201680Good
Waltman Lane over Ten Mile Creek196580Fair
Broken Horn Road over Dry Creek198750Good
Murphy Road over Waldvogel Canal197150Fair
N. Grand Lake Way over Five Mile Creek202250Good
N. Kay Avenue over Kuna Canal202050Good
S. Thomas Lane over Ridenbaugh Canal200250Good
Stewart Road over Rawson Canal197550Fair
Trout Road over Seven Suckers Ditch195050Fair
Hanley Place over Willow Creek202340Good
Glassford Way over Five Mile Creek202025Good
Owyhee Storm Ave over Five Mile Creek202025Good

Source: FHWA National Bridge Inventory, 2025.

Ada County bridge conditions · Idaho bridges by county.

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