Bridges in Minnesota

13,551Total Bridges

7,636Good

5,306Fair

609Poor

Bridge Conditions in Minnesota

Minnesota has 13,551 bridges tracked in the National Bridge Inventory. Of these, 609 (4%) are rated as poor condition — meaning at least one major component has significant deterioration. The average bridge in Minnesota is 39 years old.

Minnesota Bridge Facts

Total Bridges	13,551
Good Condition	7,636
Fair Condition	5,306
Poor Condition	609
Average Bridge Age	39 years
Longest Bridge	8320.2 ft

Longest Bridges in Minnesota

US 2 over ST Louis R Th35; Rr8320.2 ftFair I 535 over ST Louis R; Rr Street7980.0 ftPoor US 169 over Mn Valley Trail;mn River5855.3 ftFair US 169 over Mn Valley Trail;mn River5848.1 ftFair Mn 77 over Minnesota R ; Black Dog5184.7 ftFair

Counties in Minnesota

Aitkin96 bridges8 poor Anoka151 bridges4 poor Becker53 bridges1 poor Beltrami101 bridges3 poor Benton118 bridges11 poor Big Stone17 bridges1 poor Blue Earth193 bridges12 poor Brown108 bridges3 poor Carlton148 bridges13 poor Carver115 bridges3 poor Cass85 bridges7 poor Chippewa116 bridges7 poor Chisago61 bridges1 poor Clay224 bridges11 poor Clearwater50 bridges Cook59 bridges4 poor Cottonwood150 bridges9 poor Crow Wing73 bridges5 poor Dakota257 bridges4 poor Dodge176 bridges14 poor Douglas40 bridges3 poor Faribault226 bridges8 poor Fillmore348 bridges7 poor Freeborn144 bridges4 poor Goodhue331 bridges17 poor Grant32 bridges4 poor Hennepin941 bridges41 poor Houston170 bridges5 poor Hubbard45 bridges Isanti37 bridges2 poor Itasca171 bridges8 poor Jackson181 bridges4 poor Kanabec82 bridges3 poor Kandiyohi93 bridges15 poor Kittson160 bridges3 poor Koochiching98 bridges6 poor Lac qui Parle174 bridges10 poor Lake90 bridges11 poor Lake of the Woods61 bridges3 poor Le Sueur68 bridges2 poor Lincoln106 bridges7 poor Lyon234 bridges6 poor Mahnomen40 bridges2 poor Marshall214 bridges3 poor Martin162 bridges39 poor McLeod77 bridges4 poor Meeker63 bridges2 poor Mille Lacs107 bridges8 poor Morrison164 bridges5 poor Mower343 bridges28 poor Murray134 bridges6 poor Nicollet54 bridges Nobles306 bridges5 poor Norman149 bridges4 poor Olmsted367 bridges5 poor Otter Tail148 bridges11 poor Pennington49 bridges1 poor Pine172 bridges7 poor Pipestone185 bridges6 poor Polk269 bridges8 poor Pope47 bridges1 poor Ramsey344 bridges21 poor Red Lake59 bridges1 poor Redwood201 bridges24 poor Renville139 bridges9 poor Rice143 bridges4 poor Rock266 bridges5 poor Roseau142 bridges4 poor Scott129 bridges1 poor Sherburne48 bridges1 poor Sibley101 bridges2 poor St. Louis670 bridges41 poor Stearns230 bridges7 poor Steele134 bridges5 poor Stevens44 bridges2 poor Swift98 bridges1 poor Todd136 bridges4 poor Traverse120 bridges2 poor Wabasha147 bridges1 poor Wadena78 bridges3 poor Waseca85 bridges7 poor Washington113 bridges4 poor Watonwan166 bridges1 poor Wilkin196 bridges8 poor Winona237 bridges9 poor Wright74 bridges1 poor Yellow Medicine218 bridges6 poor

Poor Condition Bridges in Minnesota

Bridge	County	Length	Traffic	Year
I 35w over Up Rr Cliff RD (csah32)	Dakota	154.9 ft	94,603	1959
I 494 over Minnesota River	Hennepin	4508.9 ft	44,357	1981
I 494 over Minnesota River	Hennepin	4393.7 ft	44,357	1981
Mn 36 over I 35w	Ramsey	547.9 ft	42,500	1964
US 61 over Bike Path	Ramsey	30.2 ft	34,708	1986
Mn 100 over Shingle Creek	Hennepin	80.1 ft	32,146	1991
Mn 100 over Shingle Creek	Hennepin	80.1 ft	32,146	1964
I 535 over ST Louis R; Rr Street	St. Louis	7980.0 ft	28,098	1961
Csah 15 over Bnsf; Dak Rr; ST	Hennepin	343.5 ft	23,800	1973
Unu 169 over Minn R Up Rr; Street	Blue Earth	932.7 ft	22,949	1985
Mn 280 over NB On Ramp; TH 280 SB	Ramsey	272.0 ft	22,391	1967
I 35 over Cn Rr	St. Louis	1160.8 ft	22,000	2011
Mn 55 over Cedar AVE	Hennepin	166.3 ft	21,982	1967
Csah 158 over Cp Rail	Hennepin	115.2 ft	19,510	1927
US 61 over Ped-bike Trail	Ramsey	118.1 ft	19,100	1951
Mn 3 over Mississippi River; Rr	Ramsey	1428.8 ft	17,600	1926
Msas 233 over Cp Rail	Ramsey	125.3 ft	17,200	1967
US 14 over N Riverfront DR	Blue Earth	249.3 ft	16,250	1977
Msas 102 over I 35w	Dakota	210.0 ft	15,800	1969
US 14 over N Riverfront DR	Blue Earth	249.3 ft	15,742	1977
Csah 49 over Bnsf Rr	Ramsey	143.0 ft	15,400	2009
I 94 over Pelican Creek	Grant	32.8 ft	15,302	1963
Csah 152 over Bassett Creek Tunnel	Hennepin	30.8 ft	14,987	1923
I 94 over Sauk River	Stearns	143.0 ft	14,250	1965
Mn 55 over Bnsf; Cp Rail	Hennepin	302.8 ft	14,248	1984
Msas 116 over Bnsf Rr	Anoka	240.5 ft	13,200	1972
I 90 over Rose Creek	Mower	44.6 ft	13,166	1959
US 169 over Dm;ir Ry	St. Louis	148.0 ft	12,432	1961
Csah 130 over US 169	Hennepin	201.1 ft	12,311	1984
Mn 60 over Des Moines River	Cottonwood	208.0 ft	11,239	1971
I 90 over N Fk Bear Creek	Mower	21.0 ft	10,728	1961
Msas 430 over Minnehaha Pkwy; Creek	Hennepin	817.9 ft	10,700	1923
Csah 10 over Twin Lake North Inlet	Hennepin	22.0 ft	9,209	1967
Msas 430 over Midtown Greenway	Hennepin	94.5 ft	8,600	1914
I 94 over Csah 23	Douglas	110.9 ft	8,360	1965
I 35 over Moose Horn River	Carlton	107.0 ft	8,200	1968
I 35 over Moose Horn River	Carlton	107.0 ft	8,200	1968
I 35 over Grindstone River	Pine	113.5 ft	8,150	1960
I 94 over Otvrr	Clay	162.7 ft	8,148	1968
I 94 over Otvrr	Clay	162.7 ft	8,148	1968
US 10 over S Br Buffalo R	Clay	225.1 ft	8,105	1939
Msas 113 over Bnsf; Cp Rail	Ramsey	449.5 ft	7,500	1969
Csah 121 over Rush Creek	Hennepin	22.6 ft	7,500	1949
Con 3038 over SB TH 100 To WB I 394	Hennepin	535.1 ft	7,432	1989
Msas 198 over I 94	Hennepin	349.7 ft	7,400	1962
Csah 55 over Bnsf Rr	Ramsey	485.6 ft	7,229	1939
Mn 19 over Cannon River	Rice	146.0 ft	7,179	1973
Msas 110 over Minnesota River	Brown	574.1 ft	6,924	1978
Csah 19 over Crystal Bay Channel	Hennepin	120.1 ft	6,871	1958
Csah 11 over US 52	Goodhue	204.4 ft	6,800	1960
Msas 108 over Rcrra; Strohs	Ramsey	148.0 ft	6,600	1978
Unu 52 over I 35w	Hennepin	190.6 ft	6,575	1967
Mn 78 over US 10	Otter Tail	310.4 ft	6,500	1974
Mn 55 over US 52 NB	Dakota	314.0 ft	6,400	1958
Mn 19 over Sand Creek	Le Sueur	22.6 ft	6,395	1954
Csah 23 over Bnsf Rr	Ramsey	225.1 ft	6,350	1970
Msas 158 over Msas 258(exchange)	Ramsey	1031.2 ft	6,350	1936
I 90 over Im Rail; Csah 46	Freeborn	250.3 ft	6,350	1967
Mn 135 over Dm;ir Ry	St. Louis	283.8 ft	6,000	1970
Csah 77 over Mc Ry	Ramsey	65.9 ft	5,800	1926
Csah 52 over Mississippi River; ST	Hennepin	382.9 ft	5,727	1973
Mn 243 over ST Croix River	Chisago	673.9 ft	5,686	1953
Csah 7 over Seelye Brook	Anoka	60.0 ft	5,661	1984
US 2 over Midway River	St. Louis	30.5 ft	5,600	1958
Csah 61 over Snake River	Pine	325.5 ft	5,576	1976
Msas 135 over I 35 Acces;rr Sts; Rr	St. Louis	691.9 ft	5,258	1966
M 2427 over Midtown Greenway	Hennepin	94.2 ft	5,213	1914
Csah 5 over Mz Ltd; Browns Creek	Washington	198.2 ft	5,200	1967
Mn 210 over I 94	Otter Tail	212.9 ft	5,200	1961
M 2008 over Midtown Greenway	Hennepin	94.5 ft	5,200	1914
Csah 35 over Rice Creek	Anoka	22.6 ft	4,962	1920
US 53 over TH 37	St. Louis	145.3 ft	4,700	1961
US 53 over TH 37	St. Louis	145.3 ft	4,700	1961
Msas 438 over TH 62	Hennepin	154.9 ft	4,650	1966
Msas 231 over I 35w	Hennepin	235.6 ft	4,617	1969
US 169 over Dm;ir Ry (abandon)	St. Louis	153.9 ft	4,600	1979
M 56 over ST Albans Bay	Hennepin	107.9 ft	4,400	1941
M 1608 over Minnehaha Creek	Hennepin	35.1 ft	4,334	1890
Unm 88 over I 35w	Ramsey	387.5 ft	4,151	1964
Msas 135 over Phalen Blvd; Up Rr	Ramsey	293.6 ft	4,150	1942
Csah 14 over I 35	St. Louis	192.6 ft	4,150	1966
Csah 45 over Turtle Creek	Steele	53.1 ft	4,050	1951
Msas 154 over I 94 EB Off; EB On Rp	Ramsey	301.5 ft	4,050	1966
Msas 154 over I 94. EB On; Off Ramps	Ramsey	301.5 ft	4,050	1966
Msas 180 over I 94; EB On Ramp	Ramsey	432.4 ft	3,986	1965
Msas 282 over Minnehaha Creek	Hennepin	57.1 ft	3,950	1963
US 218 over I 90	Mower	180.8 ft	3,900	1959
US 53 over Paleface River	St. Louis	75.1 ft	3,845	1964
Mn 135 over Dm&ir Ry	St. Louis	179.1 ft	3,830	1971
M 2298 over Midtown Greenway	Hennepin	114.2 ft	3,772	1915
Msas 134 over Dobbins Creek	Mower	100.1 ft	3,700	1932
Msas 135 over Elton Hills Ravine	Olmsted	29.5 ft	3,650	1977
Mn 55 over N Fk Crow River	Stearns	167.7 ft	3,400	1937
M 718 over Midtown Greenway	Hennepin	94.2 ft	3,300	1913
Mn 109 over I 90	Freeborn	294.9 ft	3,126	1970
Mn 247 over Silver Spring Creek	Olmsted	26.9 ft	3,100	1938
Csah 3 over Mid Fk Zumbro River	Olmsted	128.0 ft	3,000	1959
Mn 61 over Manitou River	Lake	33.1 ft	3,000	1956
Csah 61 over Bnsf Rr	Carlton	177.2 ft	2,884	1979
Csah 78 over Heath Creek	Rice	29.5 ft	2,850	1955