Most Traveled Poor-Condition Bridges in Idaho

Idaho has 250 bridges in poor condition. The table below shows them ranked by daily traffic volume — the bridges that carry the most vehicles while in need of repair or replacement.

Bridge	County	Daily Traffic	Year Built	Length
I 90 Wbl over Pedestrian/bike Path	Kootenai	31,250	1971	129.9 ft
S 25 E; S Hitt RD over Sand Creek	Bonneville	27,500	1994	43.0 ft
Nhs 7773;10th AVE over City St;uprr;caldwell Op	Canyon	19,500	1956	621.1 ft
Stp7046;lincoln RD over Idaho Canal	Bonneville	18,000	1984	75.1 ft
I 15 Sbl over I15b;uprr;s.blackfoot Ic	Bingham	13,750	1961	392.1 ft
I 15 Nbl over I15b;uprr;s.blackfoot Ic	Bingham	13,750	1961	392.1 ft
Stc7232;blue Lakes over Rock Creek	Twin Falls	11,500	1959	39.0 ft
I 15 Nbl over Main Street Gs	Bannock	7,750	1962	124.0 ft
I 15 Sbl over Main Street Gs	Bannock	7,750	1962	124.0 ft
I 15 Nbl over I 15b;w.inkom Ic	Bannock	7,750	1962	113.8 ft
US 93 over Salmon River;salmon Br.	Lemhi	7,300	1926	438.0 ft
I 15b ;us 91 over Blackfoot River	Bingham	7,000	1936	106.0 ft
Sma 7643;healy RD over New York Canal	Ada	7,000	1964	113.8 ft
Sma 7611;w. Bridge over Snake River	Bingham	6,900	1936	482.9 ft
Sma 7643;eckert RD over Ridenbaugh Canal	Ada	6,700	1954	70.9 ft
Sma 7643;eckert RD over Boise River(barber Br)	Ada	6,700	1954	315.0 ft
Sma 7674;mtn View over Paradise Creek	Latah	6,400	1992	28.9 ft
Stc2714;3700 North over Rock Creek	Twin Falls	6,000	1973	21.0 ft
SH 33 over Spring Creek	Teton	5,600	1975	43.0 ft
Blaine ST over Old Indian Creek Channel	Canyon	5,400	1966	39.0 ft
SH 52 over Snake River;payette Br.	Payette	5,100	1953	689.0 ft
US 91 over Blackfoot Canal	Bingham	4,600	1951	43.0 ft
SH 55 over Uprr;n.fk.payette River	Valley	4,100	1933	411.1 ft
US 91 over Gibson Lateral Canal	Bingham	3,800	1923	27.9 ft
Bunco Road over Bunco Rd; US 95 Ic	Kootenai	3,800	2012	274.9 ft
US 2 over Priest River	Bonner	3,100	1962	352.0 ft
US 30 over Dry Creek	Twin Falls	2,900	1934	60.0 ft
Stc7151;benton ST over Portneuf River	Bannock	2,800	1969	46.9 ft
US 30 over Uprr;bickel Overpass	Twin Falls	2,500	1936	158.1 ft
I 90b over S.fk.cda R;i-90b Arch	Shoshone	2,300	1940	94.2 ft
Stc 7787;plymouth over Boise River & Canal	Canyon	2,100	1922	388.1 ft
N 45th E over Sand Creek	Bonneville	2,100	1957	70.9 ft
Sma 7733;kimball A over Indian Creek	Canyon	2,000	1933	39.0 ft
Bunker AVE over S.fk.coeur Dalene River	Shoshone	1,900	1971	168.0 ft
I 15 Sbl over Co.rd.;stoddard Creek Ic	Clark	1,750	1969	107.0 ft
Stc2866;baseline R over Snake R.(montgomery Br)	Minidoka	1,500	1954	960.0 ft
Sma 8803;6th AVE over Payette River	Payette	1,400	1959	403.9 ft
Airport Road over I 86 Eb-wb;airport Ic	Power	1,300	1968	312.0 ft
Stc 1757;main ST over Portneuf River	Bannock	1,200	1962	43.0 ft
Old River Road over Stc 5752;n.fk.cda River	Shoshone	1,200	1930	264.1 ft
Stc 6774;teton HWY over S.fk.teton River	Fremont	1,100	1977	149.9 ft
Weston-fairview RD over Bear River;e.weston Br.	Franklin	1,000	1956	174.9 ft
SH 13b over M.f.clwater R.;e.kooskia	Idaho	980	1935	481.0 ft
Stc5752;cda Rvr RD over Coeur Dalene River	Shoshone	960	1951	344.2 ft
Cascade Road over Enterprise Canal	Gem	950	1950	25.9 ft
S5907;deep Crk Lp over Bnrr;uprr & Deep Creek	Boundary	900	1936	502.0 ft
S5786;colburn Culv over Grouse Creek	Bonner	870	1941	65.0 ft
Colburn Culver RD over Pack River	Bonner	870	1941	96.1 ft
Stc 8317;duff Lane over Willow Creek	Canyon	750	1983	27.9 ft
SH 75 over Yankee Fk Of Salmon Rivr	Custer	680	1934	200.1 ft
Stc 1699;canyon RD over Coeur Dalene River	Kootenai	680	1936	328.1 ft
Stc2744;1900 E. RD over C Canal	Jerome	660	1965	25.9 ft
SH 46 over Minear Creek	Camas	630	1955	29.9 ft
620 North Road over Milner Gooding Canal	Lincoln	560	1965	49.9 ft
Stc 3851;hexon RD over Boise River	Canyon	560	1954	331.0 ft
Stc4705;doumecq RD over Salmon R;whitebird Truss	Idaho	550	1935	585.0 ft
Stc5751;old HWY 95 over Sirr & Uprr;s.athol Op	Kootenai	540	1929	181.1 ft
N 4400 E (shelton) over Burgess Canal	Jefferson	510	1969	44.9 ft
Adams Boulevard over Adams Drainage	Butte	491	1993	39.0 ft
S3944;farm To Mrkt over Willow Creek	Valley	490	1996	24.0 ft
Stc 8217;cove Road over Weiser River	Washington	490	1917	249.0 ft
SH 3 over ST Maries River	Shoshone	460	1955	105.0 ft
Ridgeway Road over C Canal	Jerome	450	1963	32.2 ft
E Shore Road over Hunt Creek	Bonner	430	1975	24.0 ft
Lenore Grade Road over Clearwater R;lenore Br.	Nez Perce	400	1935	525.9 ft
Stc 3988;roseberry over Willow Creek	Valley	370	1996	29.9 ft
Stc 5711;moon Pass over Big Dick Creek	Shoshone	370	1909	238.8 ft
Stc2781;1300 S. RD over Thorn Creek	Gooding	360	1955	71.9 ft
Third Street over S.fk.coeur Dalene River	Shoshone	360	1978	32.2 ft
IRR BIA RTE 11 over Little Hangman Creek	Benewah	350	1977	53.1 ft
Salmon River Road over Pine Creek	Lemhi	350	2012	40.4 ft
Stc2768;2400 E. RD over Milner Gooding Canal	Jerome	330	1970	76.1 ft
Squaw Creek Road over Squaw Creek	Custer	330	1960	24.0 ft
Squaw Creek RD over Squaw Creek	Custer	330	1960	24.0 ft
Parkinson Road over Cub River	Franklin	310	1926	50.9 ft
200 East Road over T.f.northside Main Cnl	Jerome	310	1970	37.1 ft
Hunt Road over T.f.northside Main Cnl	Jerome	310	1960	66.9 ft
N. St. Charles over Lemhi River	Lemhi	310	1948	79.1 ft
Stc 5804;westside over Myrtle Creek	Boundary	300	1958	51.8 ft
Squaw Creek RD over Squaw Creek	Custer	300	1960	24.9 ft
Stc 1840:wolverine over Idaho Canal	Bingham	290	2002	41.0 ft
Rapid Lightning RD over Rapid Lightning Creek	Bonner	280	1970	41.0 ft
Paddy Flat Road over Boulder Creek	Valley	230	1978	29.9 ft
Cooper Pass Road over Canyon Creek	Shoshone	220	2012	38.1 ft
1100 South Road over C Canal	Jerome	200	1975	27.9 ft
North Apple Street over Little Wood River	Lincoln	200	1920	44.9 ft
North Birch Street over Little Wood River	Lincoln	200	1913	63.0 ft
Stc2784;millard RD over Milner Gooding Canal	Lincoln	200	1955	78.1 ft
Rock Creek Road over Red Rock Creek	Idaho	200	1970	30.8 ft
Stc 6760;red Road over Camas Creek	Clark	200	1953	44.9 ft
No Data Entered over Boulder Creek	Lemhi	200	1966	30.5 ft
No Data Entered over Panther Creek	Lemhi	200	1980	94.8 ft
Scott Rd; W 100 S over Aberdeen Springfield Cnl	Bingham	190	1964	91.9 ft
Shoestring Road over Snake River;sw Bliss Br	Twin Falls	190	1977	190.0 ft
Stc 3007;unity RD over Weiser River	Washington	180	1910	303.1 ft
Mcintyre Street over Lapwai Creek	Nez Perce	180	1935	61.0 ft
Morrow Reservior R over Little Canyon Creek	Elmore	170	1995	24.0 ft
Morrow Reservoir R over Little Canyon Creek	Elmore	170	1970	50.9 ft
Willie RD over I 15;willie Road Gs	Bingham	160	1959	211.9 ft
Charlie Creek RD over Santa Creek	Benewah	150	1964	24.6 ft
E Frontage Road over Wolf Lodge Creek	Kootenai	150	1934	86.9 ft
No Data Entered over Orofino Creek	Clearwater	140	1958	43.0 ft
Bluff Road over Big Willow Creek	Payette	130	1962	70.9 ft
Pine Drive; Nf 301 over W.fk.st Maries River	Shoshone	130	1973	29.9 ft
990 South Road over C Canal	Jerome	110	1962	25.9 ft
Crooked River Road over Upper Crooked River	Idaho	110	1965	25.9 ft
Mill Road over I 90;mill Road Ic	Shoshone	110	1963	240.2 ft
8 Mile Road over Bear River	Caribou	100	1972	100.1 ft
Old Hornet Road over Hornet Creek	Adams	100	1949	40.0 ft
Anderson Creek RD over Anderson Creek	Boise	100	1983	29.9 ft
Potlatch Road over Elk Creek Trestle	Shoshone	100	1912	85.0 ft
Potlatch Road over Big Creek Trestle	Shoshone	100	1912	74.1 ft
Potlatch Road over Agatha Creek Trestle	Shoshone	100	1912	111.9 ft
Potlatch Road over Black Prince Trestle	Shoshone	100	1912	140.1 ft
Squaw Creek RD over Squaw Creek	Custer	100	1960	24.0 ft
Custer Motorway over Yankee Fork	Custer	100	1992	29.9 ft
Beaver-loon Road over Jordan Creek	Custer	100	1993	32.2 ft
Beaver-loon Road over Jordan Creek	Custer	100	1957	26.6 ft
Fdr 500 over Eldorado Creek	Idaho	99	1967	32.2 ft
Sage Road over Succor Creek	Owyhee	90	1930	94.2 ft
Smith Ferry Drive over N.fk.payette River	Valley	90	1959	240.2 ft
Highline Arrow RD over Potlatch R(arrow Jct Br)	Nez Perce	90	1920	130.9 ft
East Fork RD over Road Creek	Custer	90	2022	40.0 ft
Main Street South over Jim Ford Creek	Clearwater	80	1965	51.8 ft
Old Chilli Road over Thousand Springs Creek	Custer	80	1926	25.9 ft
Vinyard Road over I 84;vinyard RD Gs	Jerome	70	1965	220.1 ft
Middle Fork Road over M.fk.weiser River	Adams	70	1957	32.2 ft
N 1600 E over ST Anthony Canal	Fremont	70	1971	25.9 ft
E 700 N RD over Butte Market Lake Canal	Jefferson	61	1962	60.0 ft
Kilpatrick Br. Rd. over Silver Creek	Blaine	60	1978	65.0 ft
River Road over Vinson Wash	Owyhee	60	1930	36.1 ft
Sheep Camp RD over Grandview Irrigation Cnl	Owyhee	60	1991	25.9 ft
Mule Shoe Mine RD over Salmon River;se.clayton	Custer	60	1930	151.9 ft
S 1000 W over Trail Creek	Teton	60	1995	24.9 ft
1300 N over Henrys Fk.snake R;fritz	Fremont	50	1967	196.9 ft
E. Sublette Road over Portneuf Marsh Val.cnl	Bannock	50	1968	26.9 ft
Chesterfield Res R over Chesterfield Canal	Caribou	50	2005	45.9 ft
650 East Road over Milner Gooding Canal	Lincoln	50	1940	89.9 ft
1320 North Road over East Main Canal	Lincoln	50	1950	32.2 ft
550 East Road over Milner Gooding Canal	Lincoln	50	1940	79.1 ft
1150 East Road over East Main Canal	Lincoln	50	1977	37.1 ft
Jackson Creek RD over Weiser River	Adams	50	1988	85.0 ft
Little Rock Road over Noble Drain	Gem	50	1955	25.9 ft
Nisula Road over Mud Creek	Valley	50	1986	41.0 ft
Sage Creek Road over Sage Creek	Washington	50	1965	30.8 ft
Cemetary RD over Jim Ford Creek	Clearwater	50	1975	49.9 ft
Access Rd; Park RD over Lawyers Creek;park Br	Lewis	50	1917	63.0 ft
Fifth Street over S.fk.coeur Dalene River	Shoshone	50	1972	35.1 ft
Old HWY 91 over Uprr;n.spencer Rr Op	Clark	50	1936	295.9 ft
Diversion Road over Camas Creek	Clark	50	1953	26.9 ft
Vadnais Lane over Camas Creek	Clark	50	1981	32.2 ft
Viola Lane over Lemhi River(bagley Br)	Lemhi	50	1991	74.1 ft
E 421 N over Lewisville Canal	Jefferson	50	1960	39.0 ft
Fs Route No. 2361 over Beaver Creek	Shoshone	50	1983	55.1 ft
Fs Route No. 409 over W.f. Steamboat Creek	Shoshone	50	1956	28.9 ft
Fs Route No. 257 over Steamboat Creek	Shoshone	50	1956	50.5 ft
Fs Route No. 1221 over Gold Creek	Shoshone	50	1963	24.9 ft
Fs Route 225 over ST Joe River	Shoshone	50	1934	173.9 ft
Fs Route No. 456a over N.f. ST Joe River	Shoshone	50	1935	119.1 ft
Fs Route N0. 413 over N.f. Cda River	Kootenai	50	1950	149.6 ft
Fs Route No. 537 over Big Creek	Shoshone	50	1939	98.1 ft
Fs Route No. 2706 over Granite Creek	Bonner	50	1964	36.4 ft
Fs Route No. 419 over Morris Creek	Bonner	50	1952	40.7 ft
Fs Route No. 2450 over Blue Joe Creek	Boundary	50	1953	26.6 ft
Fs Route No 2546 over Blue Joe Creek Upper	Boundary	50	1953	32.5 ft
Fs Route No. 2798 over Canuck Creek	Boundary	50	1957	24.6 ft
Fs Route No. 1009 over Grass Creek	Boundary	50	1972	40.4 ft
Fs Route No. 636 over Grass Creek	Boundary	50	1973	28.5 ft
Fs Route No. 427 over Boulder CR Callahan	Boundary	50	1961	32.5 ft
Fs Route No. 211 over Meadow Creek	Boundary	50	1961	100.1 ft
Fs Route No. 871 over E.f.canuck CR	Boundary	50	1990	30.8 ft
Fs Route No. 312 over Upper W. Branch	Bonner	50	1954	32.8 ft
Fs Route No. 308 over Kalispell Creek	Bonner	50	1955	29.2 ft
Forest Road 2038 over Slate Creek	Idaho	50	1953	28.5 ft
Forest Road 1614 over French Creek	Idaho	50	1957	32.5 ft
Forest Road 357 over Running CR	Idaho	50	1956	32.5 ft
Forest Road 421 over Little Mallard Creek	Idaho	50	1984	24.0 ft
Forest Road 443 over Selway River	Idaho	50	1934	224.1 ft
Forest Road 651 over Selway River-ohara	Idaho	50	1956	351.0 ft
Fall Ck.-rocky Bar over East Fork Fall Creek	Elmore	50	2013	40.7 ft
Boulder Creek Road over Mores Creek	Boise	50	1982	29.9 ft
No Data Entered over No Data Entered	Custer	50	1972	86.6 ft
No Data Entered over Boulder Creek	Adams	50	1957	40.0 ft
Road 50343 over Logan Creek	Valley	50	1980	24.9 ft
No Data Entered over Yellowjacket Creek	Lemhi	50	1962	36.4 ft
Fdr over North Fork Of Wood River	Blaine	50	1955	24.0 ft
Pr over North Fork Wood River	Blaine	50	1950	34.1 ft
Fdr over Pettit Lake Creek	Custer	50	1982	32.2 ft
Fdr over Valley Creek	Custer	50	1950	67.9 ft
East Fork Road over S.fk.salmon River	Valley	40	1940	184.1 ft
Swamp Road over Camas Creek	Camas	40	1965	46.9 ft
Swamp Road over Camas Creek	Camas	40	1965	41.0 ft
S Anderson Lake RD over Cda River;springston Br	Kootenai	40	1955	301.8 ft
Northside RD over Black Prince Creek	Shoshone	40	1965	33.1 ft
Fdr 103 over Yoosa Creek	Idaho	40	1963	41.3 ft
Fdr 520 over Yoosa Creek	Idaho	40	1963	32.8 ft
No Data Entered over Osier Creek	Clearwater	40	1954	28.5 ft
200 South Road over Camas Creek	Camas	30	1950	43.0 ft
200 South Road over Camas Creek	Camas	30	1920	117.1 ft
Fir Grove Road over Camas Creek	Camas	30	1965	24.9 ft