Sanilac County, Michigan bridges

Sanilac County has 170 bridges and culverts in the National Bridge Inventory, the oldest built in 1905. 25 (15%) are rated poor. The most common type is culvert (42%).

Bridges: 170
Good: 29%
Fair: 56%
Poor: 15%; 25 bridges
Average age: 46.9 yrs
Posted or closed: 12

Map of bridges in Sanilac County

Green good, amber fair, red poor. Click a marker for details.

Search bridges in Sanilac County

Type at least two characters, or pick a condition or type, to search every bridge in the county.

Condition

Good29%(50)

Fair56%(95)

Poor15%(25)

When they were built

Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

M-90 over Mills Creek
8,400 vehicles/day
Good
M-90 over Black River
8,400 vehicles/day
Good
M-25 over Mill Creek
7,775 vehicles/day
Good
M-46 over Black River
5,462 vehicles/day
Poor
M-90 over Spring Creek
5,001 vehicles/day
Good

Longest

Galbraith Line RD over Black River
245 ft
Poor
M-90 over Black River
209 ft
Good
Sanborn Street over Black River
182 ft
Poor
Applegate Road over Black River
166 ft
Fair
Aitken Road over Black River I/C Drain
157 ft
Good

Oldest

Leslie Road over Middle Br Cass River
Built 1905
Fair
Arnold Road over Middle Br Cass River
Built 1907
Fair
Morris Road over Beals & Frizzle Drain
Built 1910
Fair
Kilgore Road over Black Creek Drain
Built 1920
Fair
M-53 over Greenman Creek
Built 1927
Poor

All bridges in Sanilac County

Busiest first · showing 1–170 of 170

Bridges in Sanilac County
Bridge	Location	Built	Type	Length	Daily traffic	Condition
M-90 over Mills Creek No. 000000000009458	5.0 MI W of US-25	2023	Culvert	24 ft	8,400	Good
M-90 over Black River No. 000000000009459	4.7 MI W US-25 in Croswel	2023	Stringer/Multi-beam or Girder	209 ft	8,400	Good
M-25 over Mill Creek No. 000000000009481	3.5 MI S of M-90	2016	Box Beam or Girders - Single or Spread	45 ft	7,775	Good
M-46 over Black River No. 000000000009478	5.6 MI E of M-19	1947	Stringer/Multi-beam or Girder	75 ft	5,462	Poor
M-90 over Spring Creek No. 000000000009454	0.7 MI E of M-19	2000	Culvert	24 ft	5,001	Good
M-90 over W Br Mills Creek No. 000000000009456	6.8 MI E of M-19	2006	Culvert	30 ft	5,001	Good
M-90 over E Br Mills Creek No. 000000000009457	7.5 MI E of M-19	2000	Culvert	23 ft	5,001	Good
Deckerville Road over Black River I/C Drain No. 000000000009540	Sec 25-36 Wheatland Twp	1985	Box Beam or Girders - Multiple	69 ft	4,630	Good
M-19 over Elk Creek No. 000000000009465	6.6 MI S of M-46	2000	Box Beam or Girders - Multiple	85 ft	4,553	Fair
M-19 over Br of Elk Creek No. 000000000009466	6.5 MI S of M-46	2000	Culvert	27 ft	4,553	Good
M-19 over Hale Creek No. 000000000009468	Watertown Twp Sec 28 & 29	2002	Culvert	22 ft	4,553	Good
M-53 over White Creek No. 000000000009448	5.8 MI N of M-46	2006	Stringer/Multi-beam or Girder	48 ft	4,415	Good
M-53 over N Br Cass River No. 000000000009451	2.5 MI S of Huron CO Line	1985	Box Beam or Girders - Multiple	75 ft	4,062	Fair
M-53 over S Br Cass River No. 000000000009449	9.5 MI N of M-46	1977	Box Beam or Girders - Multiple	135 ft	3,600	Fair
M-53 over Greenman Creek No. 000000000009450	5.8 MI S of Huron CO Line	1927	Tee Beam	24 ft	3,600	Poor
M-25 over Forester Creek No. 000000000009491	4.9 MI N of M-46	1934	Tee Beam	35 ft	3,500	Fair
M-46 over N Branch White Creek No. 000000000009476	2.2 MI E of Tuscola Col	1932	Tee Beam	27 ft	3,484	Fair
M-46 over S Br Cass River No. 000000000009477	2.0 MI W of M-19	2007	Stringer/Multi-beam or Girder	135 ft	3,484	Good
Ruth Road over Black River I/C Drain No. 000000000009551	Sec 29-30 Bridgehampton	1952	Stringer/Multi-beam or Girder	135 ft	3,325	Fair
M-25 over Cherry Creek No. 000000000009492	6.3 MI N of M46	1934	Box Beam or Girders - Multiple	34 ft	3,294	Fair
M-25 over Carmody Creek No. 000000000009489	3.1 MI N of M-46	1942	Culvert	25 ft	2,969	Fair
M-25 over Sherman Creek No. 000000000009490	4.1 MI N of M-46	1939	Tee Beam	31 ft	2,969	Fair
Marlette Road over S Br Cass River I/C Drn No. 000000000009526	Sec 36 Marlette Twp	1930	Stringer/Multi-beam or Girder	51 ft	2,754	Poor
M-90 over Potts Drain No. 000000000009455	2.2 MI E of M-19	1961	Stringer/Multi-beam or Girder	30 ft	2,600	Good
Wildcat Road over Br of Birch Creek No. 000000000012611	Sec 27-28 Worth Twp	2000	Culvert	21 ft	2,060	Good
Applegate Road over Black River No. 000000000009530	Sec 26-35 Washington Twp	1979	Box Beam or Girders - Multiple	166 ft	2,025	Fair
Galbraith Line RD over Birch Creek No. 000000000012824	Sec 22-27 Worth Twp	2003	Culvert	22 ft	2,020	Good
Deckerville Road over Middle Br Drain No. 000000000009539	Sec 26-35 Argyle Twp	1992	Box Beam or Girders - Multiple	62 ft	1,825	Fair
Galbraith Line RD over Black River No. 000000000009520	Sec 20-29 Worth Twp	1985	Box Beam or Girders - Multiple	245 ft	1,761	Poor
M-19 over Br Cass River No. 000000000009470	6.7 MI N of M-46	2007	Culvert	30 ft	1,718	Good
M-19 over Middle Br Cass River No. 000000000009471	7.8 MI N of M-46	1952	Tee Beam	35 ft	1,718	Fair
M-19 over Br Cass River No. 000000000009472	8.1 MI N of M-46	1952	Tee Beam	35 ft	1,718	Fair
M-19 over S Fork Cass River No. 000000000009473	2.2 MI S of Huron CO Line	1957	Box Beam or Girders - Multiple	40 ft	1,600	Poor
Shephard Road over Elk Creek Drain No. 000000000009543	Sec 10-11 Maple Valleytwp	1960	Stringer/Multi-beam or Girder	38 ft	1,600	Fair
Galbraith Line RD over Black Creek No. 000000000009519	Sec 22-27 Fremont Twp	2007	Box Beam or Girders - Multiple	50 ft	1,590	Fair
Peck Road over Elk Creek Drain No. 000000000009522	Sec 30-31 Elk Twp	2023	Culvert	34 ft	1,538	Good
Harrington Road over Black River No. 000000000009671	City of Croswell	1929	Tee Beam	130 ft	1,500	Fair
M-25 over Big Creek No. 000000000009493	7.6 MI N of M46	1934	Box Beam or Girders - Multiple	45 ft	1,173	Fair
M-25 over (no Name)creek No. 000000000009494	10.3 MI N of M-46	1948	Culvert	23 ft	1,173	Fair
M-25 over Indian Creek No. 000000000009495	11.0 MI N of M-46	1949	Stringer/Multi-beam or Girder	135 ft	1,173	Fair
Todd Road over Black Creek Drain No. 000000000009547	Sec 22-23 Fremont Twp	2007	Box Beam or Girders - Multiple	60 ft	1,170	Fair
Deckerville Road over S Br Cass River I/C Drn No. 000000000009538	Sec 27-34 Evergreen Twp	1930	Stringer/Multi-beam or Girder	73 ft	1,023	Fair
Snover Road over S Br Cass River I/C Drn No. 000000000009535	Sec 18-19 Moore Twp	1983	Box Beam or Girders - Multiple	83 ft	967	Poor
Germania Road over Duff Drain No. 000000000009548	Sec 23-24 Marlette Twp	2001	Culvert	24 ft	966	Fair
French Line Road over Elk Creek Drain No. 000000000009532	Sec 19-30 Washington Twp	1988	Box Beam or Girders - Multiple	104 ft	958	Good
Bay City-Forestvil over Tyre I/C Drain Extn No. 000000000009542	Sec 6-7 Austin Twp	1985	Culvert	36 ft	948	Poor
Black River Road over Black Creek No. 000000000009557	Sec 17-18 Worth Twp	1962	Stringer/Multi-beam or Girder	52 ft	919	Poor
Snover Road over White Creek I/C Drain No. 000000000009534	Sec 17-20 Lamotte Twp	1983	Culvert	21 ft	875	Fair
Sanborn Street over Black River No. 000000000009670	City of Croswell	1974	Tee Beam	182 ft	850	Poor
Marlette Road over Potts Drain No. 000000000009529	Sec 31 Washington Twp	1996	Culvert	25 ft	840	Good
Shephard Road over Setter I/C Drain No. 000000000009544	Sec 14-15 Flynn Twp	1970	Culvert	26 ft	835	Fair
M-25 over Mill Creek No. 000000000009513	In Forestville	1934	Culvert	22 ft	788	Fair
Snover Road over Middle Br Drain No. 000000000009536	Sec 14-23 Moore Twp	1930	Stringer/Multi-beam or Girder	23 ft	742	Poor
Marlette Road over Elk Creek Drain No. 000000000009528	Sec 33 Watertown Twp	1983	Box Beam or Girders - Multiple	75 ft	725	Good
Germania Road over N Br Cass River No. 000000000009555	Sec 11-12 Greenleaf Twp	1974	Culvert	33 ft	658	Fair
French Line Road over Smalldon Drain No. 000000000009531	Sec 22-27 Watertown Twp	1930	Stringer/Multi-beam or Girder	24 ft	610	Fair
French Line Road over Beals & Frizzle Drain No. 000000000009533	Sec 21-28 Watertown Twp	1930	Stringer/Multi-beam or Girder	23 ft	610	Fair
Melvin Road over Elk Creek Drain No. 000000000009545	Sec 29-30 Elk Twp	1930	Stringer/Multi-beam or Girder	32 ft	565	Fair
Bricker Road over Jackson Creek I/C Drain No. 000000000009546	Sec 31-32 Fremont Twp	1976	Culvert	20 ft	540	Fair
Melvin RD over Mc Donald Drain No. 000000000013866	150 N of Stilson RD	2018	Stringer/Multi-beam or Girder	50 ft	532	Good
Germania Road over S Fork of N Br Cass Riv No. 000000000009556	Sec 13-14 Greenleaf Twp	1976	Culvert	35 ft	522	Fair
Germania Road over Middle Br Cass River No. 000000000009553	Sec 13-14 Evergreen Twp	1987	Box Beam or Girders - Multiple	70 ft	514	Fair
Germania Road over Evergreen-Austin Drain No. 000000000009554	Sec 13-14 Evergreen Twp	1986	Culvert	32 ft	514	Good
French Line Road over Black River I/C Drain No. 000000000009648	Sec 23-26 Washington Twp	1992	Box Beam or Girders - Multiple	130 ft	510	Fair
Argyle Road over Evergreen-Austin Drain No. 000000000009541	Sec 12-13 Evergreen Twp	1976	Culvert	21 ft	454	Fair
Germania Road over S Br Cass River I/C Drn No. 000000000009552	Sec 1-2 Lamotte Twp	1983	Box Beam or Girders - Multiple	94 ft	437	Fair
French Line Road over Duff Drain No. 000000000009559	Sec 23-26 Marlette Twp	2001	Culvert	23 ft	435	Fair
French Line Road over Duff Drain No. 000000000009560	Sec. 23-26 Marlette Twp.	2001	Culvert	25 ft	435	Fair
Forester Road over Black River I/C Drain No. 000000000009537	Sec 12-13 Custer Twp	1979	Stringer/Multi-beam or Girder	115 ft	380	Good
French Line Road over Duff Drain No. 000000000009558	Sec 22-27 Marlette Twp	2001	Culvert	23 ft	375	Good
Stilson Road over Elk Creek Drain No. 000000000009597	Sec 9-16 Elk Twp	1978	Box Beam or Girders - Multiple	93 ft	371	Good
Stilson Road over Potts Drain No. 000000000009525	Sec 8-17 Buel Twp	1991	Culvert	21 ft	320	Fair
French Line Road over S Br Cass River I/C Drn No. 000000000009561	Sec 19-30 Elmer Twp	1986	Box Beam or Girders - Multiple	80 ft	314	Good
French Line Road over Carter Drain No. 000000000009602	Sec 20-29 Elmer Twp	1994	Culvert	20 ft	314	Good
Church Road over Black River I/C Drain No. 000000000009652	Sec 4-5 Washington Twp	2004	Box Beam or Girders - Multiple	135 ft	310	Fair
Aitken Road over Black River I/C Drain No. 000000000009636	Sec 6-7 Lexington Twp	2005	Box Beam or Girders - Multiple	157 ft	305	Good
Fetting Road over Elk Creek Drain No. 000000000009657	Sec 35-36 Watertown Twp	1983	Box Beam or Girders - Multiple	75 ft	302	Good
Wheeler Road over S Fork of N Br Cass Riv No. 000000000009570	Sec 17-18 Austin Twp	1950	Stringer/Multi-beam or Girder	33 ft	300	Fair
Harrington Road over Elk Creek Drain No. 000000000009592	Sec 20-29 Elk Twp	1991	Slab	52 ft	300	Good
Harrington Road over Speaker-Maple Valley Drn No. 000000000009593	Sec 21-28 Elk Twp	1960	Stringer/Multi-beam or Girder	28 ft	300	Fair
Cash Road over Elk Creek Drain No. 000000000009656	Sec 34-35 Watertown Twp	2004	Box Beam or Girders - Multiple	103 ft	300	Fair
Downington Road over Black River I/C Drain No. 000000000009658	Sec 36 Wheatland Twp	1986	Box Beam or Girders - Multiple	75 ft	300	Fair
Burns Line Road over Mill Creek No. 000000000009665	Sec 11-14 Worth Twp	1950	Stringer/Multi-beam or Girder	26 ft	300	Fair
Shabbona Road over S Br Cass River I/C Drn No. 000000000009609	Sec 22-27 Evergreen Twp	1950	Stringer/Multi-beam or Girder	80 ft	290	Fair
Montgomery Road over S Br Cass River I/C Drn No. 000000000009641	Sec 13 Marlette Twp	1977	Box Beam or Girders - Multiple	58 ft	265	Fair
Babcock Road over Birch Creek No. 000000000009667	Sec 35-36 Worth Twp	2015	Stringer/Multi-beam or Girder	56 ft	259	Good
Washington Road over Black River I/C Drain No. 000000000009651	Sec 10-15 Washington Twp	1987	Box Beam or Girders - Multiple	121 ft	256	Fair
ST Clair Road over Birch Creek No. 000000000009668	Sec 31-36 Worth Twp	1970	Culvert	31 ft	250	Fair
Mills Road over Black River & Smercz Drn No. 000000000009662	Sec 3-10 Wheatland Twp	2017	Stringer/Multi-beam or Girder	50 ft	246	Good
Cooper Road over S Br Cass River I/C Drn No. 000000000009604	Sec 7-18 Elmer Twp	2005	Box Beam or Girders - Multiple	114 ft	240	Good
Hoadley Road over N Br Cass River No. 000000000009628	SEC16-17 Greenleaf Twp	1991	Slab	54 ft	240	Fair
Stilson Road over Mcdonald Drain No. 000000000009595	Sec 8-17 Elk Twp	1981	Culvert	44 ft	230	Fair
Burns Line Road over Mill Creek No. 000000000009664	Worth Twp Sec 11 & 14	2005	Box Beam or Girders - Multiple	44 ft	230	Good
Custer Road over Black River I/C Drain No. 000000000009573	Sec 19-30 Bridgehampton	1996	Box Beam or Girders - Multiple	100 ft	225	Fair
Range Line Road over Berry Drain No. 000000000009574	Sec 19 Bridgehampton Twp	1982	Culvert	28 ft	225	Fair
Range Line Road over Fye Drain No. 000000000009575	Sec 19 Bridgehampton Twp	1982	Culvert	27 ft	225	Poor
Harrington Road over Potts Drain No. 000000000009577	Sec 19-30 Buel Twp	1991	Culvert	24 ft	225	Fair
Aitken Road over Potts Drain No. 000000000009580	Sec 5-8 Buel Twp	1930	Stringer/Multi-beam or Girder	35 ft	225	Fair
Custer Road over Berry Drain No. 000000000009584	Sec. 24-25 Custer Twp.	1981	Culvert	33 ft	225	Fair
Walker Road over S Br Cass River I/C Drn No. 000000000009603	Sec 18-19 Elmer Twp	1981	Tee Beam	93 ft	225	Fair
Miller Road over S Br Cass River I/C Drn No. 000000000009605	Sec 5-8 Elmer Twp	1986	Box Beam or Girders - Multiple	85 ft	225	Good
Arnold Road over S Br Cass River I/C Drn No. 000000000009644	Sec 7 Moore Twp	1988	Box Beam or Girders - Multiple	94 ft	225	Fair
School Road over Speaker-Maple Valley Drn No. 000000000009646	Sec 8 Speaker Twp	1970	Culvert	20 ft	225	Fair
Washington Road over Elk Creek Drain No. 000000000009650	Sec 9-16 Washington Twp	1983	Box Beam or Girders - Multiple	100 ft	225	Fair
Morris Road over Beals & Frizzle Drain No. 000000000009653	Sec 33 Watertown Twp	1910	Stringer/Multi-beam or Girder	22 ft	225	Fair
Shabbona Road over Black River I/C Drain No. 000000000009659	Sec 23 26 Wheatland Twp	1986	Box Beam or Girders - Multiple	70 ft	225	Good
Stone Road over Black River I/C Drain No. 000000000009660	Sec 14-23 Wheatland Twp	1991	Box Beam or Girders - Multiple	49 ft	225	Good
Applegate Road over Elk Creek Drain No. 000000000009647	Sec 30-31 Washington Twp	1983	Box Beam or Girders - Multiple	94 ft	222	Good
Banner Road over Elk Creek Drain No. 000000000009655	Sec 33-34 Watertown Twp	1983	Box Beam or Girders - Multiple	75 ft	222	Good
Cribbins Road over Black Creek Drain No. 000000000009666	Sec 18 Worth Twp	1987	Box Beam or Girders - Multiple	70 ft	210	Fair
Stilson Road over Mcdonald Drain No. 000000000009596	Sec 9-16 Elk Twp	1950	Stringer/Multi-beam or Girder	33 ft	201	Poor
Freiberger Road over Middle Br Drain No. 000000000009567	Sec 26-27 Argyle Twp	1970	Culvert	28 ft	200	Poor
Berkshire Road over Berry Drain No. 000000000009588	Sec 25-26 Custer Twp	1945	Stringer/Multi-beam or Girder	26 ft	200	Fair
Paldi Road over Speaker-Maple Valley Drn No. 000000000009600	Sec 21 Elk Twp	1969	Stringer/Multi-beam or Girder	33 ft	200	Fair
Fisher Road over Jackson Creek I/C Drain No. 000000000009622	Sec 31 Fremont Twp	2016	Culvert	26 ft	200	Good
Mushroom Road over White Creek I/C Drain No. 000000000009632	Sec 5-8 Lamotte Twp	1970	Culvert	28 ft	200	Fair
Richmondville Road over Black River I/C Drain No. 000000000009661	Sec 10-15 Wheatland Twp	1981	Box Beam or Girders - Multiple	52 ft	200	Poor
Fisher RD over Sanilac & ST Clair Drain No. 000000000014642	Sec 34 Speaker Twp	2016	Culvert	24 ft	200	Good
Berkshire Road over Fye Drain No. 000000000009589	Sec 25-26 Custer Twp	1977	Culvert	30 ft	195	Fair
Wheeler Road over Middle Br Cass River Drn No. 000000000009566	Sec 19-20 Argyle Twp	1981	Stringer/Multi-beam or Girder	40 ft	190	Fair
Lamton Road over Greenman I/C Drain No. 000000000009610	Sec 6 Evergreen Twp	2004	Box Beam or Girders - Multiple	43 ft	185	Good
Downington Road over Middle Br Drain No. 000000000009562	Sec 35 Argyle Twp	1969	Culvert	27 ft	180	Fair
Shabbona Road over Middle Br Drain No. 000000000009564	Sec 21-28 Argyle Twp	1993	Slab	54 ft	180	Good
Snover Road over Black River I/C Drain No. 000000000009576	Sec 18-19 Bridgehampton	1980	Box Beam or Girders - Multiple	128 ft	180	Fair
Custer Road over Fye Drain No. 000000000009582	Sec 23-26 Custer Twp	1990	Culvert	22 ft	180	Poor
Custer Road over Fye Drain No. 000000000009583	Sec 24-25 Custer Twp	1983	Culvert	27 ft	180	Fair
Banner Road over Dwight Drain No. 000000000009586	Sec 33-34 Custer Twp	1983	Culvert	30 ft	180	Fair
Nicol Road over Black River I/C Drain No. 000000000009585	Sec 1-12 Custer Twp	2005	Box Beam or Girders - Multiple	79 ft	170	Good
Stilson Road over Setter Drain No. 000000000009615	SEC11 12 13&14 Flynn Twp	1979	Culvert	48 ft	170	Poor
Comstock Road over Jackson Creek I/C Drain No. 000000000009623	Sec 28 Fremont Twp	1983	Culvert	26 ft	170	Fair
Wellman Line Road over Jackson Creek I/C Drain No. 000000000009624	Sec 28-33 Fremont Twp	1984	Culvert	26 ft	170	Fair
Brown Road over Jackson Creek I/C Drain No. 000000000009625	Sec 32-33 Fremont Twp	1980	Culvert	23 ft	170	Fair
Kilgore Road over Black Creek Drain No. 000000000009626	Sec 27-28 Fremont Twp	1920	Stringer/Multi-beam or Girder	34 ft	170	Fair
Fargo Road over Black Creek No. 000000000009627	Sec 23-24 Fremont Twp	2000	Culvert	43 ft	170	Fair
Carroll Road over Elk Creek Drain No. 000000000009594	Sec 17-20 Elk Twp	1991	Slab	54 ft	165	Good
Aitken Road over Elk Creek Drain No. 000000000009598	Sec 3-10 Elk Twp	1985	Box Beam or Girders - Multiple	75 ft	165	Good
Paldi Road over Elk Creek Drain No. 000000000009601	Sec 16 Elk Twp	1950	Stringer/Multi-beam or Girder	43 ft	165	Fair
Hoadley Road over White Creek I /C Drain No. 000000000009634	Sec 16-17 Lamotte Twp	1978	Culvert	21 ft	165	Good
Hoadley Road over White Creek I/C Drain No. 000000000009635	Sec 8-9 Lamotte Twp	1986	Culvert	21 ft	165	Good
Walker Road over Elk Creek Drain No. 000000000009649	Sec 17-20 Washington Twp	1983	Box Beam or Girders - Multiple	97 ft	165	Fair
Freiberger Road over S Fork of N Br Cass Riv No. 000000000009572	Sec 10-11 Austin Twp	1985	Culvert	23 ft	160	Poor
Downington Road over S Br Cass River I/C Drn No. 000000000009608	Sec 35 Evergreen Twp	1999	Box Beam or Girders - Multiple	109 ft	160	Fair
Leslie Road over Middle Br Cass River No. 000000000009613	Sec 14-15 Evergreen Twp	1905	Tee Beam	42 ft	160	Fair
Downington Road over Cherry Creek No. 000000000009620	Sec 33 Forester Twp	1995	Slab	36 ft	160	Fair
Mushroom Road over S Br Cass River I/C Drn No. 000000000009633	Sec 1-12 Lamotte Twp	2001	Box Beam or Girders - Multiple	117 ft	155	Good
Applegate Road over Beals & Frizzle Drain No. 000000000009654	Sec 28-33 Watertown Twp	2001	Culvert	31 ft	155	Fair
Arnold Road over Middle Br Cass River No. 000000000009565	Sec 13-18 Argyle Twp	1907	Tee Beam	40 ft	150	Fair
Bad Axe Road over S Fork of N Br Cass Riv No. 000000000009568	Sec 18 Austin Twp	1990	Culvert	43 ft	150	Poor
Bad Axe Road over Tyre I/C Drain Extn No. 000000000009569	Sec 7 Austin Twp	1988	Culvert	37 ft	150	Poor
Patterson Road over S Fork of N Br Cass Riv No. 000000000009571	Sec 16-17 Austin Twp	1985	Culvert	39 ft	150	Fair
Eddy Road over Dwight Drain No. 000000000009581	Sec 27-34 Custer Twp	1983	Culvert	28 ft	150	Fair
Stringer Road over Dwight Drain No. 000000000009587	Sec 26-27 Custer Twp	1984	Culvert	30 ft	150	Fair
Mowerson Road over Elk Creek Drain No. 000000000009599	Sec 31 Elk Twp	1980	Culvert	31 ft	150	Poor
Richards Road over White Creek I/C Drain No. 000000000009629	Sec 28-33 Lamotte Twp	1973	Culvert	22 ft	150	Fair
Moriartey Road over White Creek I/C Drain No. 000000000009631	Sec 9-16 Lamotte Twp	1980	Culvert	21 ft	150	Good
Brooks Road over Elk Creek Drain No. 000000000009637	Sec 2-11 Maple Valley Twp	1994	Culvert	31 ft	150	Poor
Moore Road over S Br Cass River I/C Drn No. 000000000009642	Sec 31 Moore Twp	1930	Stringer/Multi-beam or Girder	63 ft	150	Fair
Mushroom Road over Middle Br Drain No. 000000000009643	Sec 2-11 Moore Twp	1984	Culvert	25 ft	150	Poor
Shelden Road over Brice Drain No. 000000000009645	Sec 1-2 Moore Twp	1930	Stringer/Multi-beam or Girder	23 ft	150	Fair
Hall Road over Potts Drain No. 000000000009578	Sec 17-20 Buel Twp	1980	Culvert	21 ft	135	Good
Decker Road over S Br Cass River I/C Drn No. 000000000009614	Sec 15-16 Evergreen Twp	1969	Box Beam or Girders - Multiple	144 ft	135	Fair
Adams Road over White Creek I/C Drain No. 000000000009630	Sec 21-28 Lamotte Twp	1980	Culvert	20 ft	135	Fair
Wood Road over Duff Drain No. 000000000009640	Sec 22-23 Marlette Twp	2001	Culvert	23 ft	130	Fair
Sullivan Road over S Br Cass River I/C Drn No. 000000000009617	Sec 7 Flynn Twp	1972	Culvert	40 ft	125	Poor
Setter Road over Setter I/C Drain No. 000000000009618	Sec 14 Flynn Twp	1980	Stringer/Multi-beam or Girder	46 ft	120	Fair
Day Road over Forester Creek No. 000000000009621	Sec 7 Forester Twp	1982	Culvert	22 ft	120	Fair
Leslie Road over S Br Cass River I/C Drn No. 000000000009612	Sec 34-35 Evergreen Twp	1991	Box Beam or Girders - Multiple	90 ft	115	Fair
Millan Road over Setter I/C Drain No. 000000000009616	Sec 12 Flynn Twp	1999	Culvert	32 ft	110	Fair
Mowerson Road over Mcdonald Drain No. 000000000013148	Sec 7 Elk Twp	1988	Culvert	37 ft	90	Poor
Huron Line Road over Tyre I/C Drain Ext No. 000000000013256	Austin Twp Sec 5 & 6	1974	Culvert	21 ft	40	Poor

Structure types in Sanilac County

Culvert	71	41.8%
Box Beam or Girders - Multiple	48	28.2%
Stringer/Multi-beam or Girder	34	20.0%
Tee Beam	11	6.5%
Slab	5	2.9%
Box Beam or Girders - Single or Spread	1	0.6%