Bridges in Michigan

11,396Total Bridges

3,777Good

6,369Fair

1,250Poor

Bridge Conditions in Michigan

Michigan has 11,396 bridges tracked in the National Bridge Inventory. Of these, 1,250 (10%) are rated as poor condition — meaning at least one major component has significant deterioration. The average bridge in Michigan is 49 years old.

Michigan Bridge Facts

Total Bridges	11,396
Good Condition	3,777
Fair Condition	6,369
Poor Condition	1,250
Average Bridge Age	49 years
Longest Bridge	19247.7 ft

Longest Bridges in Michigan

I-75 over Straits Of Mackinac19247.7 ftFair I-75 Intl Bridge over ST Mary Riv/portage Av W9280.2 ftFair I-75 over Rouge R Dearborn ST & Rr8627.0 ftFair I-75 SB over Saginaw R M-13 Gtwrr8085.0 ftFair I-75 NB over Saginaw R M13 Gtwrr8061.0 ftFair

Counties in Michigan

Alcona27 bridges5 poor Alger53 bridges7 poor Allegan245 bridges41 poor Alpena32 bridges2 poor Antrim15 bridges2 poor Arenac80 bridges12 poor Baraga68 bridges5 poor Barry69 bridges15 poor Bay166 bridges27 poor Benzie25 bridges7 poor Berrien269 bridges17 poor Branch118 bridges26 poor Calhoun213 bridges37 poor Cass53 bridges8 poor Charlevoix18 bridges2 poor Cheboygan73 bridges10 poor Chippewa112 bridges13 poor Clare96 bridges4 poor Clinton215 bridges34 poor Crawford55 bridges6 poor Delta86 bridges Dickinson42 bridges7 poor Eaton202 bridges11 poor Emmet38 bridges1 poor Genesee369 bridges53 poor Gladwin63 bridges4 poor Gogebic102 bridges22 poor Grand Traverse33 bridges2 poor Gratiot167 bridges22 poor Hillsdale104 bridges15 poor Houghton59 bridges2 poor Huron192 bridges14 poor Ingham241 bridges30 poor Ionia118 bridges12 poor Iosco47 bridges3 poor Iron54 bridges12 poor Isabella183 bridges26 poor Jackson158 bridges17 poor Kalamazoo152 bridges11 poor Kalkaska15 bridges1 poor Kent524 bridges29 poor Keweenaw12 bridges1 poor Lake31 bridges5 poor Lapeer163 bridges13 poor Leelanau8 bridges Lenawee225 bridges26 poor Livingston165 bridges23 poor Luce28 bridges4 poor Mackinac63 bridges10 poor Macomb417 bridges30 poor Manistee35 bridges5 poor Marquette147 bridges19 poor Mason66 bridges4 poor Mecosta80 bridges3 poor Menominee96 bridges9 poor Midland140 bridges24 poor Missaukee39 bridges4 poor Monroe299 bridges40 poor Montcalm121 bridges7 poor Montmorency21 bridges Muskegon143 bridges16 poor Newaygo66 bridges6 poor Oakland513 bridges35 poor Oceana101 bridges5 poor Ogemaw31 bridges1 poor Ontonagon66 bridges10 poor Osceola103 bridges7 poor Oscoda15 bridges3 poor Otsego25 bridges2 poor Ottawa253 bridges23 poor Presque Isle37 bridges4 poor Roscommon42 bridges Saginaw315 bridges58 poor Sanilac170 bridges25 poor Schoolcraft56 bridges3 poor Shiawassee163 bridges15 poor St. Clair326 bridges31 poor St. Joseph132 bridges16 poor Tuscola241 bridges10 poor Van Buren130 bridges11 poor Washtenaw262 bridges47 poor Wayne1035 bridges116 poor Wexford64 bridges5 poor

Poor Condition Bridges in Michigan

Bridge	County	Length	Traffic	Year
I-696 over I-75 & 4 Ramps	Oakland	669.9 ft	209,200	1971
I-94 over Ent To Ford Plant	Wayne	140.7 ft	98,506	1971
M-39 over Ecorse Creek	Wayne	32.8 ft	92,920	1963
I-96 WB Main Rdwy over M-39 (southfield Expr)	Wayne	208.0 ft	78,863	1970
I-94 WB over Ecorse RD	Wayne	236.9 ft	74,175	1962
I-75 over Conrail Raisin R Front	Monroe	930.4 ft	67,800	1955
Us-23 over M-36	Livingston	168.0 ft	64,800	1960
I-475 over Chavez DR	Genesee	169.0 ft	63,400	1976
I-475 over Davison - Broadway Aves	Genesee	440.0 ft	63,400	1976
I-94 EB over Beech-daly RD	Wayne	156.8 ft	60,077	1962
I-475 over Csx Rr & NB Serv Rd(abn)	Genesee	357.0 ft	59,000	1971
I-196 M-21 WB over Conrail (no Tracks)(abn)	Kent	316.9 ft	57,075	1963
Allen & Pelham Rds over Sexton Kilfoil Drain	Wayne	47.9 ft	53,839	1928
I-296 SB (us-131s) over 6th AVE	Kent	143.0 ft	50,972	1963
I-296 NB (us-131n) over 6th AVE	Kent	138.8 ft	50,972	1963
I-296 (us-131) NB over Us-131 Br (leonard)	Kent	144.0 ft	50,972	1961
I-296 (us-131) SB over Us-131 Br (leonard)	Kent	144.0 ft	50,972	1961
I-96 EB over Grand River AVE	Livingston	173.9 ft	44,600	1962
I-96 WB over Grand River AVE	Livingston	173.9 ft	44,600	1962
I-75 NB over Hesr	Bay	139.1 ft	44,350	1960
M-37 (e Belt Line) over I-96	Kent	315.0 ft	42,978	1961
Jefferson AVE over I-375	Wayne	136.8 ft	42,800	1962
I-196 WB over Gd R I-296 Scrb Trn Monr	Kent	2277.6 ft	41,000	1964
Wayne Road over Tonquish Creek	Wayne	90.9 ft	40,380	1958
I-75 Br over Clinton River	Oakland	30.8 ft	40,292	1964
I-496 WB over Us-127 SB	Ingham	210.3 ft	39,163	1970
Us-23nb I-94BL over Packard RD	Washtenaw	136.8 ft	39,120	1962
Us-23sb I-94BL over Packard RD	Washtenaw	136.8 ft	39,120	1962
Us-23 NB over Us-23 Br	Washtenaw	188.0 ft	39,120	1962
Us-23 SB over Us-23 Br	Washtenaw	188.0 ft	39,120	1962
M-3 & M-29 over I-94	Macomb	347.8 ft	37,832	1963
Us-23 NB over Huron River Drive	Washtenaw	108.9 ft	37,373	1962
Us-23 SB over Huron River Drive	Washtenaw	108.9 ft	37,373	1962
Us-23 SB M-14 EB over Mdot Rr Corridor	Washtenaw	159.4 ft	36,627	1962
Us-131 over Cedar CR	Kent	22.0 ft	36,326	1973
M-153 WB over Rouge River	Wayne	290.0 ft	35,830	1971
M-153 EB over Rouge River	Wayne	290.0 ft	35,830	1971
I-75 NB over Clarkston RD	Oakland	108.6 ft	35,763	1962
Base Line over Csx Rr	Wayne	180.1 ft	35,730	1960
44th Street over Buck Creek	Kent	58.7 ft	35,000	1976
I-496 EB over Red Cedar River & Ramp V	Ingham	444.6 ft	34,831	1970
I-496 EB over Csx Rr & Trowbridge Rmp	Ingham	304.1 ft	34,668	1963
I-496 EB over Gtw Rr	Ingham	190.6 ft	34,668	1963
I-75 Ramp H & M over Swartz Creek	Genesee	64.0 ft	33,600	1969
I-196 WB over Chicago Drive	Kent	201.8 ft	31,705	1972
Rotunda Drive over Rouge River (re-located)	Wayne	376.0 ft	30,846	1964
Beech-daly Road over Rouge River	Wayne	33.8 ft	29,650	1932
Us-131 NB over W River DR & Mdot Rr Cor	Kent	474.1 ft	29,425	1969
I-496EB & Us-127sb over I-96 WB	Ingham	141.4 ft	29,356	1966
I-496 EB over Forest RD	Ingham	107.6 ft	29,013	1963
Evergreen Road over Rouge River	Wayne	335.0 ft	28,663	1975
M-21 EB over I-96 & M-21	Kent	350.1 ft	28,460	1961
Us-131 NB over Amtrak & Kl AVE	Kalamazoo	305.1 ft	28,268	1963
Us-131 SB over Amtrak & Kl AVE	Kalamazoo	305.1 ft	28,268	1963
Us-131 SB over Grand Elk Rr	Allegan	180.1 ft	27,941	1960
Wayne Road over E N Hines Drive	Wayne	140.7 ft	27,486	1947
Chicago Drive over Buck CR	Kent	44.9 ft	27,400	1933
Merriman Road over Lower Rouge River	Wayne	105.0 ft	26,614	1929
I-75 S-w Ramp over North Service RD	Wayne	152.6 ft	26,250	1964
M-43 (w Saginaw) over Carrier Creek	Eaton	36.4 ft	26,200	1956
Us-23 Sb/m-14 EB over M-14 W	Washtenaw	127.0 ft	24,781	1962
Beech-daly Road over Bell Creek	Wayne	67.9 ft	24,472	1933
Us-127 NB over Red Cedar Riv & Ramp V	Ingham	263.5 ft	24,173	1964
Us-127 SB over Red Cedar Riv & Ramp V	Ingham	271.3 ft	24,173	1964
Middle Belt Road over Lower Rouge River	Wayne	155.8 ft	23,978	1924
Miller Road over Conrail	Wayne	1460.3 ft	23,965	1931
I-96 Bl over Gtw South ST & Red Cedar	Ingham	953.1 ft	23,865	1952
Us-12 WB over Us-24	Wayne	95.1 ft	23,295	1937
I-96 EB over Deer Creek	Ingham	44.0 ft	23,287	1962
I-96 WB over Deer Creek	Ingham	44.0 ft	23,287	1962
21 Mile Road over Salt Slang Gloede Drain	Macomb	38.7 ft	22,400	1968
Grosse Ile Parkway over Trenton Channel	Wayne	1345.8 ft	22,180	1932
I-94 WB over M-25 Conn	St. Clair	270.0 ft	21,619	1964
I-94BL Us127br M50 over Grand River	Jackson	54.1 ft	21,340	1967
M-43 WB (gr Riv) over Us-127	Ingham	125.3 ft	20,897	1970
M-54 over Thread Creek	Genesee	38.7 ft	20,772	1976
I-196 M-21 EB over Bridge ST	Kent	69.2 ft	20,289	1964
I-196 M-21 WB over Bridge ST	Kent	68.9 ft	20,289	1964
I-196 M-21 EB over Valley AVE & Garfield	Kent	216.9 ft	20,289	1964
I-196 M-21 WB over Valley AVE & Garfield	Kent	213.9 ft	20,289	1964
Sibley Road over Frank & Poet Drain	Wayne	22.0 ft	20,187	1938
I-96 WB over Portland RD	Ionia	140.7 ft	19,963	1958
I-69 EB over Linden RD	Genesee	136.8 ft	19,829	1968
I-69 WB over Linden RD	Genesee	136.8 ft	19,829	1968
M-3 (gratiot Ave) over Dequindre Cut	Wayne	85.0 ft	19,649	1929
Beitner Road over Boardman River	Grand Traverse	44.0 ft	19,628	1980
Us-24 over Stony Creek	Monroe	100.1 ft	19,500	1931
Inkster Road over Bell Creek	Wayne	91.2 ft	18,960	1958
I-96 Ramp over Open Ground	Wayne	1096.1 ft	18,870	1973
I-96 Ramp over Land	Wayne	1236.2 ft	18,870	1973
Rotunda Drive over Schaefer Road	Wayne	94.8 ft	18,726	1932
Harrison Road over Red Cedar River	Ingham	99.7 ft	18,646	1937
Lilley Road over Tonquish Creek	Wayne	25.9 ft	18,579	1946
M-24 over S Br Flint River	Lapeer	65.0 ft	18,440	1948
Us-12br M-17 over Huron River	Washtenaw	105.0 ft	18,300	1912
Five Mile Road over Bell Creek	Wayne	81.0 ft	18,173	1925
I-75 N To M-10 Rmp over M-10 To I-75N Ramp	Wayne	191.9 ft	17,500	1970
Beck Road over Johnson Drain	Wayne	27.9 ft	16,972	1930
Us-23 NB over Indiana & Ohio Rr	Monroe	186.0 ft	16,733	1958
Genesee AVE over Saginaw River	Saginaw	475.1 ft	16,546	1973