Most Traveled Poor-Condition Bridges in Montana

Montana has 388 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 over Int Reserve Street	Missoula	13,664	1966	194.9 ft
I 90 over Clark Fork River	Granite	13,081	1970	254.6 ft
I 90 over Clark Fork River	Missoula	9,168	1964	981.6 ft
Montana AVE over U1025-rr	Yellowstone	8,576	1960	1710.6 ft
Montana AVE over U1024-25-rr	Yellowstone	8,576	1960	1712.9 ft
I 90 over Abandoned Rr	Gallatin	8,575	1969	203.1 ft
S 82 over Flathead River	Flathead	8,310	1955	685.7 ft
IRR - US 93 over Nine Pipe Reservoir	Lake	8,158	1933	77.4 ft
Lincoln RD over Int Lincoln-i 15	Lewis and Clark	7,492	1962	206.0 ft
I 90 EB over Rr	Powell	5,992	1973	250.0 ft
I 90 over Rr	Powell	5,992	1973	264.8 ft
US 2 over Big Cherry Creek	Lincoln	5,295	1976	150.9 ft
I 90 over Int W Garrison-rr	Powell	5,232	1979	709.6 ft
S 78 over Yellowstone River	Stillwater	5,017	1957	575.8 ft
I 94 over Clear Creek	Dawson	4,317	1973	52.5 ft
US 287 over South Willow Creek	Madison	4,102	1934	39.0 ft
I 90 over Sep Elizabeth LN	Mineral	4,088	1965	445.9 ft
I 90 over Clark Fork River	Mineral	4,088	1965	806.8 ft
Old HWY 312 over Yellowstone River 170	Yellowstone	4,005	1949	1022.0 ft
I 90 over Clark Fork River	Mineral	3,719	1984	1091.9 ft
IRR - US 2 over Milk River	Blaine	3,311	1964	213.9 ft
S Shiloh RD over Sep I 90	Yellowstone	3,188	1959	457.0 ft
US 89 over Int East Livingston I 90	Park	2,910	1962	278.9 ft
S 16 over Crane Creek	Richland	2,821	1957	37.1 ft
HWY 91 N over Beaverhead River 033	Beaverhead	2,676	1946	149.6 ft
US 191 Fh 42 over Teepee Creek	Gallatin	2,605	1962	28.9 ft
US 191 over Grayling Creek	Gallatin	2,605	1962	46.6 ft
Old US 10 over Big Ditch 051	Yellowstone	2,489	1932	65.0 ft
S 200 over Clark Fork River	Sanders	2,482	1960	952.4 ft
S 23 over Yellowstone River	Richland	2,438	1994	1102.0 ft
Lolo ST over Rattlesnake Creek 009	Missoula	2,363	1966	94.2 ft
US 2 over Lodge Creek	Blaine	2,335	1942	94.2 ft
US 2 over Irrigation-stockpass	Blaine	2,335	1940	152.9 ft
Main ST over Clark Fork River	Powell	2,330	1949	134.8 ft
US 87 over Otter Creek	Cascade	2,314	1959	102.4 ft
US 87 over Otter Creek	Cascade	2,314	1959	103.0 ft
US 87 over Otter Creek	Cascade	2,314	1959	103.0 ft
S 287 over Weber Irrigation Canal	Madison	2,300	1950	26.9 ft
S Main AVE over Mission Creek 052	Lake	2,233	1929	33.1 ft
IRR - US 2 over Rr	Flathead	2,225	1956	361.9 ft
S 7-main ST N over Sandstone Creek	Fallon	2,209	1941	64.6 ft
US 2 over Drainage	Blaine	2,141	1940	39.0 ft
US 2 over Drainage	Blaine	2,141	1940	58.1 ft
S 91 over Boulder River Overflow	Sweet Grass	2,133	1937	25.6 ft
US 2 over Kootenai River-rr	Lincoln	2,104	1942	941.9 ft
Third ST NE over Abandoned Rr-antelope CR	Wheatland	2,063	1939	203.7 ft
IRR - US 2 over Chelsea Creek	Roosevelt	2,054	1960	37.4 ft
Frontage Road 295 over Ten Mile Creek 071	Lewis and Clark	1,929	1962	50.9 ft
I 15 over Int Lima-bailey ST	Beaverhead	1,863	1959	119.1 ft
Mt 55 over Fish Creek	Jefferson	1,858	1953	38.1 ft
I 15 over Int Monida S 509	Beaverhead	1,771	1959	118.1 ft
Skalkaho HWY over Skalkaho Creek 053	Ravalli	1,713	1941	78.1 ft
S 37 Fh 57 over Tobacco River	Lincoln	1,699	1971	305.8 ft
Mullan RD over Irrigation Canal	Missoula	1,635	1970	23.0 ft
S 141 over Nevada Creek	Powell	1,594	1936	57.7 ft
S Cruse AVE over Pedestrian Underpass	Lewis and Clark	1,548	1972	45.9 ft
S 200 over Rr	Sanders	1,537	1957	315.0 ft
Bridge ST over Swan River 110	Flathead	1,503	1911	120.1 ft
IRR - US 2 over Drainage	Roosevelt	1,452	1970	21.0 ft
S 200 over Stockpass	Lewis and Clark	1,432	1949	21.0 ft
S 474 over Rr	Missoula	1,397	1959	183.7 ft
Sun River RD over Sep West Hill-i 15 127	Cascade	1,364	1967	319.9 ft
S 1 over Clark Fork	Granite	1,354	1966	300.9 ft
IRR - US 2 over Drainage	Phillips	1,351	1973	44.3 ft
W Dry Creek RD over Baker Creek	Gallatin	1,287	1967	101.4 ft
S 83 Fh 15 over Lost Creek	Lake	1,246	1953	58.1 ft
US 87 over Drainage	Fergus	1,067	1939	57.7 ft
Irr-us 2 over Unstable Slope	Flathead	1,013	1981	259.8 ft
IRR - US 89 over Blacktail Creek	Pondera	1,012	1965	145.0 ft
Mt HWY 2 over Rr 061	Jefferson	1,001	1932	112.9 ft
S 80-13th ST over Missouri River	Chouteau	930	1962	708.0 ft
S Frontage RD 011 over Dempsey Creek 059	Powell	916	1930	64.0 ft
US 89 Fh 32 over Belt Creek	Cascade	833	1968	166.0 ft
SR 117 over Missouri River Overflow	Valley	818	1950	279.9 ft
US 12 Fh 11 over Lolo Creek	Missoula	799	1957	88.9 ft
Victor Crossing W over Bitterroot River 020	Ravalli	746	1984	89.9 ft
Victor Crossing E over Bitterroot River 017	Ravalli	746	1984	60.0 ft
US 191 over S Fork American Fork	Wheatland	706	1941	28.9 ft
Kootenai River RD over Pipe Creek	Lincoln	702	1987	71.9 ft
S 56 Fh 5 over Bull River	Sanders	692	1960	77.1 ft
S 200 over Cemetery Coulee	McCone	680	1939	58.4 ft
S 200 over Drainage	McCone	680	1939	86.6 ft
S 200 over Drainage	McCone	680	1939	76.4 ft
US 191 over Rye Creek	Sweet Grass	661	1947	57.7 ft
US 191 over Fish Creek	Wheatland	661	1942	113.8 ft
US 191 over Missouri River	Fergus	655	1959	697.8 ft
S 37 Fh 57 over Cadette Creek	Lincoln	612	1971	97.1 ft
S 37 Fh 57 over Pinkham Creek	Lincoln	612	1971	208.0 ft
Mt HWY 91 over Rr	Beaverhead	612	1936	143.0 ft
Axtell Anceny RD over Gallatin River 084	Gallatin	569	1919	142.1 ft
Old HWY 87 over Two Leggins Canal 0	Big Horn	564	1931	33.1 ft
Poplar River RD over Poplar River 015	Roosevelt	563	1985	104.7 ft
S 21 over Int Midway I 15	Pondera	540	1972	349.1 ft
Quast LN over Surprise Ditch 060	Ravalli	537	1918	27.9 ft
Frntage Road 81020 over Cottonwood Creek 083	Custer	507	1928	172.6 ft
Frntage Road 81020 over Miles Creek 037	Custer	507	1929	58.4 ft
Frntage Road 81020 over Macks Creek 038	Custer	507	1929	39.4 ft
Old HWY 10 W over Williams Coulee 007	Prairie	507	1930	77.4 ft
Craig Frontage RD over Missouri River 054	Lewis and Clark	484	1933	506.9 ft
S 78 Fh 83 over Red Lodge Creek	Carbon	481	1953	26.9 ft
S 7 over Drainage	Carter	473	1940	39.4 ft
Glover RD over Pablo 3a Canal 037	Lake	471	1985	29.9 ft
S 37 Fh 57 over Cripple Horse Creek	Lincoln	458	1974	140.1 ft
S 200 over Drainage	Richland	446	1956	34.1 ft
6th AVE S over Big Spring Creek 133	Fergus	437	1962	50.9 ft
S 285 over Toston Canal	Broadwater	422	1948	29.9 ft
S 253 over Redwater River	McCone	420	1950	151.6 ft
S 253 over Cedar Creek	Prairie	404	1935	132.9 ft
IRR - US 191 over Wild Horse Creek	Phillips	395	1941	100.1 ft
IRR - US 191 over Wild Horse Creek	Phillips	395	1940	101.0 ft
S 7 over Collins Creek	Carter	392	1940	58.4 ft
IRR - S 382 over Rr	Sanders	391	1965	130.2 ft
US 191 over Box Elder Creek	Fergus	382	1942	57.7 ft
S Main Street over Clark Fork River 020	Granite	371	1934	267.1 ft
S 253 over Drainage	Prairie	368	1940	95.1 ft
Old HWY 10 W over Clark Fork 054	Mineral	356	1932	518.0 ft
S 37 Fh 57 over Rock Gut	Lincoln	346	1974	269.0 ft
Skalkaho HWY over Canal 058	Ravalli	331	1941	50.2 ft
Old US 91 over Missouri River-rr 069	Cascade	316	1931	549.9 ft
S 5 over Dahl Creek	Sheridan	309	1939	59.1 ft
S 5 over Main Creek	Sheridan	309	1939	97.1 ft
S 200 over Drainage	Dawson	307	1959	57.1 ft
Jack Creek RD over Jack Creek 028	Madison	301	1952	26.9 ft
Light RD over Pablo 31a Canal 036	Lake	292	2009	80.1 ft
Frontage Road 018 over Irrigation Ditch 001	Treasure	281	1933	25.9 ft
S 529-clear CR RD over Milk River	Blaine	256	1967	216.9 ft
IRR - S 358 over Two Medicine River	Pondera	243	1968	317.9 ft
S 244 over Yellow Water Cr-elk CR	Petroleum	233	1948	77.1 ft
IRR - S 13 over Sprague Coulee	Roosevelt	229	1931	77.1 ft
IRR - S 13 over W Fork Poplar R Ovrflow	Roosevelt	229	1932	77.1 ft
US 12 over Drainage	Rosebud	222	1947	58.1 ft
US 12 over Drainage	Rosebud	222	1941	57.1 ft
Frontage Road 018 over Drainage 009	Treasure	219	1933	58.1 ft
US 12 over Drainage	Rosebud	214	1938	39.0 ft
Redrock RD over Fort Belknap Canal 008	Blaine	212	1933	47.9 ft
IRR BIA Route 8 over Peoples Creek	Phillips	200	1976	170.9 ft
HWY 287 Bypass over Missouri River 019	Broadwater	178	1920	531.8 ft
S Frontage RD W over Clark Fork 053	Mineral	174	1916	371.1 ft
Marshall Creek RD over Rock Creek	Granite	161	1959	102.0 ft
HWY 91 N over Big Hole River 041	Beaverhead	158	1940	239.8 ft
Main Boulder Road over Boulder River	Park	157	1950	30.2 ft
Nf-6639 RD over Boulder River 041	Park	157	1933	99.1 ft
Battlefield Road over Medicine Tail Coulee	Big Horn	150	1938	45.9 ft
HWY 10 W over Ninemile Creek 035	Missoula	141	1924	124.0 ft
HWY 10 W over Ninemile Slide 026	Missoula	141	1947	375.0 ft
Old HWY 10 E over ST Regis River 059	Mineral	140	1937	194.6 ft
No Data Entered over Rock CR	Ravalli	136	1970	46.3 ft
Silver Spring RD over Ruby River 023	Madison	133	1927	37.1 ft
Bear Gulch RD over Clark Fork River 002	Granite	130	1986	169.9 ft
Rocky Butte RD over Crow Creek 070	Lake	128	1986	30.2 ft
Old HWY 10 over Sweeney Creek 064	Rosebud	128	1930	113.8 ft
Frontage Road 303 over Graveyard Creek 055	Rosebud	128	1928	41.0 ft
IRR - S 251 over Smoke Creek	Daniels	101	1954	25.9 ft
IRR BIA RTE 2 over Dawson Creek	Glacier	100	1932	32.2 ft
Corinne Trail over Horse Prairie Creek 043	Beaverhead	100	2022	34.1 ft
Sleepy Hollow LN over Prickly Pear Creek	Jefferson	100	2010	23.0 ft
Empire Street over Drainage	Silver Bow	100	1953	34.1 ft
Canal RD over Deadman Supply Canal	Wheatland	100	1997	40.0 ft
IRR Route 46 over Big Sandy Creek	Hill	100	1963	25.3 ft
I 90 over Antelope Creek	Granite	100	1971	43.0 ft
Upper N Fork RD over N Fk Bighole River 064	Beaverhead	100	1977	45.9 ft
Rock Creek RD over Big Lake Creek 081	Beaverhead	100	1958	27.9 ft
Big Swamp CR RD / over Big Hole River 089	Beaverhead	100	1925	100.1 ft
Miner Lake RD over Governor Creek 092	Beaverhead	100	1951	42.0 ft
Stibal LN over Red Rock River 053	Beaverhead	100	1975	77.1 ft
Brundage LN over Red Rock River 052	Beaverhead	100	1920	98.1 ft
Browns Bridge RD over Big Hole River 123	Beaverhead	100	1915	174.9 ft
Ekegren RD over Thirty Mile Creek 097	Blaine	100	1938	65.0 ft
Middle RD over Battle Creek 056	Blaine	100	1920	102.0 ft
Flynn LN over Broadwater Missouri 006	Broadwater	100	1976	23.0 ft
Old Town RD over Jefferson River 004	Gallatin	100	1897	192.9 ft
Willow Creek RD over Willow Creek 061	Carbon	100	1942	32.2 ft
W Pryor RD over Elbow Creek 037	Carbon	100	1964	32.2 ft
Old US HWY 91 over Little Muddy Creek 090	Cascade	100	1923	77.1 ft
Upper Highwood CR over Highwood Creek 069	Chouteau	100	1969	29.9 ft
Kircher Creek RD over T And Y Canal 032	Custer	100	1938	28.5 ft
Frontage Road 205 over Cottonwood Creek 072	Custer	100	1929	153.9 ft
Frontage Road 205 over Snell Creek 073	Custer	100	1928	30.8 ft
County Road 224 over Coal Creek 010	Daniels	100	1960	49.9 ft
Coal Creek RD over Coal Creek 027	Daniels	100	1950	58.1 ft
County Road 226 over Coal Creek 038	Daniels	100	1971	24.0 ft
Road 229 over Bad Route Creek 035	Dawson	100	1975	57.7 ft
County Road 524 over N Fk Thirten Mile CR 091	Dawson	100	1983	38.1 ft
County Road 542 over Thirteen Mile CR 061	Dawson	100	1964	60.4 ft
County Road 530 over S Fk Burns Creek 092	Dawson	100	1975	60.0 ft
County Road 098 over Clark Fork River 020	Deer Lodge	100	1920	44.9 ft
Mt Evans Way over Warm Springs Creek 016	Deer Lodge	100	1912	27.6 ft
Fairview RD over S Fork Mcdonald CR 123	Fergus	100	1962	29.9 ft
Holt Stage RD over Flathead Riv Overfl0 014	Flathead	100	1992	97.1 ft
Kelly Canyon RD over Bridger Creek 047	Gallatin	100	1983	32.2 ft
Maiden Rock RD over Bridger Creek 107	Gallatin	100	1922	24.0 ft
Maiden Rock RD over Bridger Creek 106	Gallatin	100	1940	33.1 ft
Old Town RD over Jefferson River 063	Gallatin	100	1894	155.8 ft
Stagecoach Trl RD over Baker Creek 082	Gallatin	100	1959	35.1 ft
Steves Fork RD over Steves Fork Creek 003	Garfield	100	1980	31.2 ft
Road 290 N over Canadian Coulee 036	Hill	100	1980	30.8 ft
48th ST W over Beaver Creek 046	Hill	100	1966	105.6 ft
I 15 Frontage RD over Cataract Creek 030	Jefferson	100	1933	79.7 ft
I 15 Frontage RD over Basin Creek 041	Jefferson	100	1985	63.0 ft
E Elk Park RD over Bison Creek 016	Jefferson	100	1927	32.2 ft