Bridges in Lewis and Clark County, Montana

204Total Bridges

118Good

75Fair

11Poor

Bridge	Condition	Length	Traffic	Year
Lincoln RD over Int Lincoln-i 15	Poor	206.0 ft	7,492	1962
Frontage Road 295 over Ten Mile Creek 071	Poor	50.9 ft	1,929	1962
S Cruse AVE over Pedestrian Underpass	Poor	45.9 ft	1,548	1972
S 200 over Stockpass	Poor	21.0 ft	1,432	1949
Craig Frontage RD over Missouri River 054	Poor	506.9 ft	484	1933
Lovers Lane over Elk Creek 041	Poor	91.9 ft	100	1914
Birdtail RD over Flat Creek 036	Poor	61.0 ft	100	1901
Fdr #8983 over N Fk Sun River	Poor	273.0 ft	99	1927
Pishkun Road over Sun River	Poor	249.7 ft	40	1916
Nfsr 495 over Telegraph Creek	Poor	24.0 ft	30	1950
Cpgd Access over Ten Mile Creek	Poor	24.0 ft	20	1957
I 15 over Sep Boulder Ave-rr	Fair	791.0 ft	14,810	2016
I 15 over Sep Boulder Ave-rr	Fair	784.1 ft	14,810	2017
Cedar ST over Int Cedar St-i 15	Fair	196.9 ft	14,368	2002
Prospect Ave-us 12 over Int Capitol-i 15	Fair	260.5 ft	12,054	1961
Prospect Ave-us 12 over Int Capitol-i 15	Fair	260.5 ft	12,054	1961
N Montana AVE over Helena Valley Canal	Fair	24.6 ft	11,167	1958
York RD over Prickly Pear Creek	Fair	34.1 ft	6,170	1941
Wylie DR over Helena Valley Canal 081	Fair	43.3 ft	5,482	1958
I 15 over Wolf Creek	Fair	33.8 ft	5,109	1966
I 15 over Dog Creek	Fair	23.0 ft	4,290	1967
E Main Street over Prickly Pear Creek 009	Fair	66.9 ft	2,580	1934
I 15 over Int Spring Creek-rr	Fair	539.4 ft	2,555	1964
I 15 over Int Spring Creek-rr	Fair	529.9 ft	2,555	1964
I 15 over Int Wolf Creek	Fair	113.8 ft	2,555	1966
I 15 over Little Prickly Pear CR	Fair	525.9 ft	2,403	1965
I 15 over Little Prickly Pear CR	Fair	652.2 ft	2,403	1965
I 15 over Sep Missouri Rvr-co RD	Fair	770.7 ft	2,201	1967
I 15 over Sep Missouri Rvr-co RD	Fair	770.7 ft	2,201	1967
I 15 over Stickney Creek	Fair	92.8 ft	2,201	1968
I 15 over Missouri Rvr-rr-local	Fair	1249.7 ft	2,201	1971
I 15 over Missouri Rvr-rr-local	Fair	1287.7 ft	2,201	1971
S 200 over Landers Fork	Fair	153.5 ft	2,011	1938
Applegate DR over Helena Valley Canal 115	Fair	27.9 ft	1,535	1958
S 200 over Flat Creek	Fair	41.0 ft	1,507	1986
S 200 over Dearborn River	Fair	186.0 ft	1,432	1949
Lake Helena DR over Causeway-lake Helena 072	Fair	24.9 ft	971	1944
Sierra Road E over Prickly Pear Creek 077	Fair	71.9 ft	623	1998
Glass DR over Helena Valley Canal 150	Fair	22.3 ft	611	1958
Route 284 over Canyon Ferry Spillway	Fair	230.3 ft	600	1950
US 287 over Int Augusta I 15	Fair	195.2 ft	564	1966
US 287 over Rock Creek	Fair	24.9 ft	564	1967
York RD over Missouri River	Fair	1079.7 ft	551	1982
US 287 over Sun River	Fair	319.9 ft	538	1936
Lincoln RD W over Little Prickly Pear CR	Fair	58.1 ft	501	1949
Lincoln RD W over Canyon Creek	Fair	59.1 ft	501	1949
Lincoln RD W over Canyon Creek	Fair	63.0 ft	501	1949
S Recreation RD over Sheep Creek 117	Fair	64.0 ft	484	1933
US 287 over Dearborn River	Fair	298.9 ft	460	1963
Head LN over Seven Mile Creek 149	Fair	24.0 ft	354	1982
Craig Frontage RD over Wegner Creek 055	Fair	41.0 ft	329	1934
Craig Frontage RD over Stickney Creek 057	Fair	91.9 ft	329	1968
Stemple Pass RD over Blackfoot River 118	Fair	124.0 ft	301	1959
S 21 over Elk Creek 119	Fair	80.1 ft	260	1935
S 21 over Spring Creek Coulee 124	Fair	20.0 ft	260	1982
S 21 over Dry Creek 122	Fair	78.1 ft	260	1935
Nelson RD over Beaver Creek 121	Fair	26.9 ft	234	1975
Rimini RD over Ten Mile Creek 105	Fair	69.9 ft	231	1981
S 435 over Smith Creek	Fair	76.1 ft	137	1958
S 435 over Elk Creek	Fair	39.0 ft	137	1958
Dearborn Canyon RD over Falls Creek 049	Fair	51.8 ft	118	1960
Hart LN over Helena Valley Canal 088	Fair	44.0 ft	111	1957
Rimini RD over Ten Mile Creek 106	Fair	34.1 ft	107	1962
Law Enforcement RD over Prickely Pear Creek	Fair	51.8 ft	100	1940
Augusta-clemons RD over Elk Creek 029	Fair	50.9 ft	100	1915
Beaver Creek RD over Keep Cool Creek 094	Fair	24.0 ft	100	1957
Deer Meadow DR over Ten Mile Creek 130	Fair	30.2 ft	100	2006
County Road 811 over Ten Mile Creek 131	Fair	26.6 ft	100	2005
Mcdonald LN over Ltl Prickly Pear Crk 151	Fair	39.0 ft	100	1990
S Howie ST over Reeders Alley 001	Fair	93.2 ft	100	1881
Woodbridge Drive over Drainage 002	Fair	90.9 ft	100	1975
Banner Creek RD over Ruby Creek	Fair	27.9 ft	60	1964
Beaver Creek Road over Beaver Creek	Fair	44.6 ft	50	2004
Nfsr 9229 over Wood Creek	Fair	28.9 ft	50	1967
Hogum Ck Road over Hogum Creek	Fair	25.9 ft	46	1962
Hogum Ck Road over Blackfoot River	Fair	46.6 ft	46	1965
Fdr 235 over Benchmark Cr.	Fair	56.1 ft	40	1993
Chevallier DR over Little Prickly Pear 109	Fair	101.0 ft	37	1905
Sucker Kp Kl Road over Copper Creek	Fair	32.5 ft	34	1962
Augusta RD over Dearborn River 011	Fair	251.0 ft	31	1896
Minnehaha Road over Ten Mile Creek	Fair	22.6 ft	30	1955
Nfsr 233 over Beaver Creek	Fair	81.0 ft	26	1978
Nfsr 330 over Landers Fork	Fair	92.8 ft	21	1977
Fields Glch Road over Poorman Creek	Fair	23.6 ft	20	1979
County Road 061 over Levings Gulch 158	Fair	21.0 ft	13	1933
County Road 061 over Little Prickly Pear 111	Fair	63.0 ft	13	1962
Lyndale Ave-us 12 over Great Northern Area	Good	20.0 ft	20,397	2003
US 12 over Rr	Good	275.9 ft	19,327	1978
N Last Chance Gulc over Rr	Good	144.0 ft	18,569	2003
E Custer AVE over Int Custer Ave-i 15	Good	238.5 ft	16,988	2012
US 12 over Prickly Pear Creek	Good	77.1 ft	15,333	1978
E Custer AVE over Helena Valley Canal	Good	50.5 ft	14,653	2012
N Montana AVE over Ten Mile Creek	Good	60.0 ft	11,167	2004
Canyon Ferry RD over Prickly Pear Creek	Good	77.8 ft	10,503	2001
I 15 over Ten Mile Creek	Good	51.5 ft	6,202	1962
I 15 over Ten Mile Creek	Good	51.5 ft	6,202	1962
I 15 over Sep Sierra RD E	Good	120.4 ft	6,202	1962
I 15 over Sep Sierra RD E	Good	120.4 ft	6,202	1962
Saddle Drive over S Helena Int I 15 156	Good	186.4 ft	5,722	2007
US 12 over Ten Mile Creek	Good	108.6 ft	5,018	1988
Lake Helena DR over Helena Valley Canal 073	Good	44.0 ft	4,910	2004
Green Meadow DR over Ten Mile Creek	Good	79.1 ft	4,837	1992
Canyon Ferry RD over Helena Valley Canal	Good	53.5 ft	4,835	2009
I 15 over Little Prickly Pear CR	Good	25.3 ft	4,806	1965
Green Meadow DR over Helena Valley Canal	Good	62.0 ft	4,510	1992
Wylie DR over Prickly Pear Creek 080	Good	33.1 ft	4,338	1958
I 15 over Rock Creek	Good	30.2 ft	4,290	1967
Green Meadow DR over Helena Valley Canal	Good	39.0 ft	4,190	2000
Country Club AVE over Ten Mile Creek 113	Good	74.5 ft	3,235	2000
Williams AVE over Ten Mile Creek 003	Good	75.1 ft	3,068	2010
Valley DR over Helena Valley Canal 074	Good	43.0 ft	2,914	2000
I 15 over Sep Lyons Creek Road	Good	133.9 ft	2,555	1964
I 15 over Sep Lyons Creek Road	Good	133.9 ft	2,555	1964
I 15 over Int Wolf Creek	Good	113.8 ft	2,555	1966
I 15 over Int Gates Of The Mtns	Good	120.1 ft	2,403	1962
I 15 over Int Gates Of The Mtns	Good	120.1 ft	2,403	1962
I 15 over Int Seiben	Good	115.2 ft	2,403	1962
I 15 over Int Seiben	Good	115.2 ft	2,403	1962
I 15 over Int Craig	Good	124.3 ft	2,201	1967
I 15 over Int Craig	Good	124.3 ft	2,201	1967
I 15 over Rr	Good	365.8 ft	2,201	1967
I 15 over Rr	Good	365.8 ft	2,201	1967
I 15 over Stickney Creek	Good	92.8 ft	2,201	1968
S 200 over Beaver Creek	Good	22.0 ft	2,140	1993
S 200 over Keep Cool Creek	Good	26.2 ft	2,140	1993
S 200 over Wildlife Crossing	Good	24.0 ft	1,991	2014
S 200 over Wildlife Crossing	Good	24.0 ft	1,991	2014
S 200 over Alice Creek	Good	129.3 ft	1,991	2014
Green Meadow DR over Silver Creek	Good	40.0 ft	1,977	2000
Mchugh LN over Helena Valley Canal 086	Good	47.2 ft	1,893	2000
Mchugh LN over Ten Mile Creek 087	Good	39.0 ft	1,893	1989
Birdseye RD over Seven Mile Creek 034	Good	40.0 ft	1,589	2001
Canyon Ferry RD over Helena Valley Canal	Good	57.4 ft	1,589	2010
S 200 over Middle Fk Dearborn River	Good	112.9 ft	1,467	1993
Mill Road over Helena Valley Canal 082	Good	48.6 ft	1,219	2021
John G Mine RD over Helena Valley Canal 116	Good	28.9 ft	795	1958
Bridge ST over Missouri River 062	Good	490.5 ft	778	2006
Frontage Road 241 over Little Prickly Pear 059	Good	89.9 ft	711	1966
Sierra Road E over Ten Mile Creek 076	Good	68.9 ft	623	2001
York RD over Trout Creek	Good	65.9 ft	551	1982
Applegate DR over Silver Creek 144	Good	24.0 ft	510	2005
Norris RD over Helena Valley Canal 114	Good	24.9 ft	491	1958
US 287 over Elk Creek	Good	81.0 ft	439	2008
US 287 over Elk Creek Overflow	Good	81.0 ft	439	2008
US 287 over Flat Creek	Good	73.2 ft	429	2007
US 287 over Dry Creek	Good	68.9 ft	377	2008
E Riggs ST over Prickly Pear Creek 083	Good	57.1 ft	316	1982
Stemple Pass RD over Poorman Creek 153	Good	42.3 ft	301	2009
Little Wolf CR RD over Wolf Creek 112	Good	62.7 ft	237	2010
Little Wolf CR RD over Wolf Creek 146	Good	27.9 ft	237	2007
Little Wolf CR RD over Wolf Creek 145	Good	28.5 ft	237	2007
Rimini RD over Ten Mile Creek 101	Good	101.0 ft	231	2015
Rimini RD over Ten Mile Creek 102	Good	100.1 ft	231	2015
Remini RD over Ten Mile Creek 103	Good	101.0 ft	231	2015
Rimini RD over Ten Mile Creek 104	Good	60.0 ft	231	1981
Sun Canyon RD over Willow Creek 160	Good	60.7 ft	200	2015
Copper Creek Road over Copper Creek	Good	49.9 ft	169	2005
Nfsr 330 over Copper Creek	Good	65.9 ft	169	2008
Lt Prickly Pear RD over Ltl Prickly Pear CR 097	Good	27.2 ft	122	1952
Dearborn Canyon RD over Dearborn River 048	Good	51.8 ft	118	1982
Dalton Mtn Road over Blackfot River 095	Good	149.9 ft	112	2024
Rimini RD over Tenmile Creek	Good	42.3 ft	107	2023
Elk Creek RD over Elk Creek 044	Good	55.1 ft	100	2020
Elk Creek RD over Elk Creek 045	Good	55.1 ft	100	2020
Elk Creek RD over Elk Creek 046	Good	77.1 ft	100	2021
Keir LN over Spokane Creek 143	Good	40.4 ft	100	2004
Black Bear RD over Trout Creek 141	Good	32.2 ft	100	2000
Beaver Creek RD over Beaver Creek 142	Good	51.5 ft	100	2001
Lyons Creek RD over Little Prickly Pear 005	Good	65.0 ft	100	2001
Lyons Creek RD over Lyons Creek 157	Good	23.6 ft	100	1990
Barr Creek RD over Willow Creek 026	Good	60.0 ft	100	1991
Barr Creek RD over N Fork Willow Creek 125	Good	38.1 ft	100	1991
Elk Creek RD over Elk Creek 043	Good	57.1 ft	100	2010
Smith Creek RD over Smith Creek 023	Good	83.7 ft	100	2002
Marsh Creek RD over Ltl Prickly Pear CR 096	Good	28.9 ft	100	1976
Lost Horse CR RD over Deadman Creek 098	Good	27.9 ft	100	1990
Spring Creek LN over Spring Creek 152	Good	35.4 ft	100	2010
County Road 290 over Helena Valley Canal 085	Good	40.0 ft	100	1958
Valley Forge RD over Ten Mile Creek 126	Good	46.6 ft	100	1988
L25500 over Poorman Creek	Good	59.1 ft	89	2024
Stemple Pass Road over Poorman Creek	Good	49.9 ft	89	2021
Stemple Pass RD over Poorman Creek 140	Good	65.6 ft	89	2007
Stemple Pass RD over Poorman Creek 147	Good	42.0 ft	89	2004
Stemple Pass RD over Poorman Creek 148	Good	35.8 ft	89	2004
No Data Entered over Beaver Creek	Good	44.6 ft	50	2019
No Data Entered over Beaver Creek	Good	39.0 ft	50	2018
Nfsr 235 over Ford Cr.	Good	49.5 ft	50	1983
Augusta RD over Middle Fork Dearborn 010	Good	100.1 ft	46	2014
Sawmill Creek Road over Sawmill Creek	Good	28.9 ft	40	2013
Nfsr 330-a1 over Snowbank Creek	Good	47.2 ft	40	2013
Nfsr 235 over Fairview Cr.	Good	69.9 ft	40	1977
Chevallier DR over Little Prickly Pear 110	Good	57.1 ft	37	2012
Flat Creek RD over Flat Creek 134	Good	35.8 ft	37	2006
Flat Creek RD over Flat Creek 017	Good	35.8 ft	37	2007
Elk Creek RD over Elk Creek 021	Good	59.1 ft	34	2002
Nfsr 233 over Beaver Creek	Good	88.9 ft	26	1978
Nfsr 233 over W Fk Beaver Creek	Good	43.0 ft	26	1978
Nfsr 233 over W Fk Beaver Creek	Good	44.9 ft	26	1978
Nfsr 233 over M Fk Beaver Creek	Good	44.9 ft	26	1978
Nfsr 233 over Beaver Creek	Good	81.0 ft	26	1978
Nfsr 233 over Willow Creek	Good	55.8 ft	26	2004
Fields Gulch Road over Poorman Creek	Good	28.9 ft	20	2013
Copper Creek Road over Copper Creek	Good	33.1 ft	10	2005
050438: Sauerkraut over Sauerkraut Creek	Good	28.9 ft	5	2010