Iosco County, Michigan bridges

Iosco County has 47 bridges and culverts in the National Bridge Inventory, the oldest built in 1928. 3 (6%) are rated poor. The most common type is stringer/multi-beam or girder (40%).

Bridges: 47
Good: 26%
Fair: 68%
Poor: 6%; 3 bridges
Average age: 50.8 yrs
Posted or closed: 9

Map of bridges in Iosco County

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

Search bridges in Iosco County

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

Condition

Good26%(12)

Fair68%(32)

Poor6%(3)

When they were built

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

Busiest

US-23 over Tawas River
15,836 vehicles/day
Fair
F 41 over Van Ettan Creek
12,300 vehicles/day
Fair
US-23 over Au Sable River
8,367 vehicles/day
Fair
M-55|HEMLOCK ST over Tawas River
8,047 vehicles/day
Fair
M-65 over Hale Creek
6,737 vehicles/day
Fair

Longest

M-65 over Au Sable River
754 ft
Fair
River Road over Au Sable River
301 ft
Fair
Rea RD over Au Sable River
239 ft
Fair
US-23 over Au Sable River
232 ft
Fair
M-55 over E Br Au Gres River
177 ft
Poor

Oldest

M-55 over Hope Creek
Built 1928
Fair
M-55 over Au Gres River
Built 1929
Good
M-55 over Au Gres River
Built 1929
Good
US-23 over Private Road
Built 1931
Fair
Curtis Road over Smith Creek
Built 1931
Fair

All bridges in Iosco County

Busiest first · showing 1–47 of 47

Bridges in Iosco County
Bridge	Location	Built	Type	Length	Daily traffic	Condition
US-23 over Tawas River No. 000000000004125	In Tawas City	1984	Stringer/Multi-beam or Girder	69 ft	15,836	Fair
F 41 over Van Ettan Creek No. 000000000004142	1MI NW of US 23	1979	Box Beam or Girders - Multiple	116 ft	12,300	Fair
US-23 over Au Sable River No. 000000000004129	In Au Sable	1972	Stringer/Multi-beam or Girder	232 ft	8,367	Fair
M-55\|HEMLOCK ST over Tawas River No. 000000000004123	In Tawas City	1950	Stringer/Multi-beam or Girder	59 ft	8,047	Fair
M-65 over Hale Creek No. 000000000004115	6.0 MI N of M-55	1952	Stringer/Multi-beam or Girder	44 ft	6,737	Fair
US-23 over Private Road No. 000000000004128	2.2 MI N of Arenac Col	1931	Stringer/Multi-beam or Girder	40 ft	5,497	Fair
River Road over Au Sable River No. 000000000004139	0.5 MI W of US-23	1963	Box Beam or Girders - Multiple	301 ft	4,920	Fair
M-65 over Johnson Creek No. 000000000004111	2.8 MI N of Arenac Col	1950	Stringer/Multi-beam or Girder	119 ft	4,353	Poor
Monument RD over Tawas River No. 000000000004137	150 Ft SE of Nunn	1981	Box Beam or Girders - Multiple	90 ft	4,030	Fair
M-65 over Au Gres River No. 000000000004112	1.0 MI S of M-55	1951	Stringer/Multi-beam or Girder	134 ft	3,354	Fair
M-55 over Au Gres River No. 000000000004119	0.8 MI E of Ogemaw Col	1929	Stringer/Multi-beam or Girder	34 ft	3,200	Good
M-55 over Au Gres River No. 000000000004120	1.0 MI E of Ogemaw Col	1929	Stringer/Multi-beam or Girder	34 ft	3,200	Good
M-55 over E Br Au Gres River No. 000000000004122	4.0 MI E of M-65	1954	Stringer/Multi-beam or Girder	177 ft	3,110	Poor
Sixth Avenue over Dead Creek No. 000000000004161	Tawas City	1981	Girder and Floorbeam System	40 ft	2,860	Fair
M-55 over Hope Creek No. 000000000004121	1.5 MI W of M-65	1928	Stringer/Multi-beam or Girder	126 ft	2,529	Fair
M-65 over Au Sable River No. 000000000013132	4.5 MI S of Alcona Col	2003	Stringer/Multi-beam or Girder	754 ft	2,497	Fair
Whittemore Street over Tawas River No. 000000000004164	Tawas City	1981	Girder and Floorbeam System	65 ft	1,480	Fair
Matthews Street over Tawas River No. 000000000004162	Tawas City	1972	Girder and Floorbeam System	52 ft	1,380	Fair
Rea RD over Au Sable River No. 000000000004140	6 MI W of Oscoda (1/4 MI	1957	Tee Beam	239 ft	1,200	Fair
Sherman RD over Silver Creek No. 000000000004147	6 MI N of M55	1994	Box Beam or Girders - Multiple	38 ft	1,190	Fair
S Branch RD over S Br of Au Sable River No. 000000000004143	1.5 MI N of Long Lake	1979	Box Beam or Girders - Multiple	54 ft	1,100	Fair
Whittemore RD over Au Gres River No. 000000000004134	1.75 MI E of Whittemore	1975	Box Beam or Girders - Multiple	105 ft	1,090	Fair
Mill Street over Ausable River No. 000000000004138	0.25 Miles West of US-23	1971	Box Beam or Girders - Single or Spread	154 ft	1,054	Good
Kings Corner over Pine River No. 000000000004148	1 Mile-East of F41	1981	Box Beam or Girders - Multiple	120 ft	1,000	Fair
First Street over Tawas River No. 000000000004163	Tawas City	1972	Girder and Floorbeam System	52 ft	950	Fair
Esmond RD over Smith Creek No. 000000000014001	1.5 MI E of M-65	2017	Culvert	23 ft	858	Good
Turtle RD over Au Gres River No. 000000000004131	2.125 MI E of M-65	2003	Stringer/Multi-beam or Girder	105 ft	780	Fair
Whittemore RD over E Br of Au Gres River No. 000000000004135	5.125 MI E Whittemore	2017	Stringer/Multi-beam or Girder	75 ft	757	Good
Meadow Road over Dead Creek No. 000000000004157	1.25 MI E of Kobs Road	1993	Slab	32 ft	740	Fair
Old State RD over E Br of Au Gres River No. 000000000004136	2.25 M W of Sand Lake RD	1977	Box Beam or Girders - Multiple	40 ft	720	Fair
Alabaster RD over E Br of Au Gres Riv No. 000000000004133	0.3 MI E of Sand Lake RD	1980	Box Beam or Girders - Multiple	72 ft	640	Fair
National City RD over Augres River No. 000000000004144	0.50 MI S of Keystone	1978	Slab	78 ft	530	Fair
Curtis Road over Hale Creek No. 000000000004152	500 Ft W of M-65	1976	Culvert	29 ft	480	Fair
Sand Lake RD over E Branch of Augres River No. 000000000004146	1.75 MI S of Mcivor	1982	Box Beam or Girders - Multiple	42 ft	420	Fair
National City RD over County Drain No. 000000000004145	0.01 MI N of Dyer	2002	Culvert	22 ft	390	Good
Carpenter Road over East Branch Augres River No. 000000000004151	4300 Ft W of Greenwood RD	1979	Box Beam or Girders - Multiple	32 ft	300	Fair
Kobs Road over Dead Creek No. 000000000004158	4200 Ft S of Meadow Road	2001	Box Beam or Girders - Multiple	46 ft	300	Good
Shellenbarger Road over Smith Creek No. 000000000004153	0.1 MI W Towerline Road	1950	Stringer/Multi-beam or Girder	23 ft	220	Poor
Alabaster RD over Whitney Creek No. 000000000004132	3.625 MI W of M-65	2024	Stringer/Multi-beam or Girder	98 ft	208	Good
Swan RD (davison) over Silver Creek No. 000000000004159	1625 Ft E of Brooks Road	2001	Box Beam or Girders - Multiple	39 ft	180	Good
Towerline Road over Johnson Creek No. 000000000004150	0.5 MI S of N Sec. Line	1988	Slab	52 ft	160	Fair
Wickert RD FH14 over S Br of Au Sable River No. 000000000004141	3.75 MI W of M-65	1998	Stringer/Multi-beam or Girder	30 ft	150	Good
Towerline Road over Hale Creek No. 000000000004154	0.9 MI S of Curtis Road	1952	Stringer/Multi-beam or Girder	22 ft	130	Good
Hottis RD over Johnson Creek No. 000000000004149	0.75 MI S of Alabaster RD	1978	Box Beam or Girders - Multiple	39 ft	120	Fair
Curtis Road over Smith Creek No. 000000000004155	0.1 MI W of Allen Road	1931	Slab	22 ft	120	Fair
Brooks Road over Silver Creek No. 000000000004160	600 Ft S of Curtis Road	1935	Stringer/Multi-beam or Girder	25 ft	70	Fair
Turtle Road over East Branch Augres River No. 000000000004156	600 Ft W of E Sec Line	2008	Box Beam or Girders - Multiple	72 ft	50	Good

Structure types in Iosco County

Stringer/Multi-beam or Girder	19	40.4%
Box Beam or Girders - Multiple	15	31.9%
Girder and Floorbeam System	4	8.5%
Slab	4	8.5%
Culvert	3	6.4%
Tee Beam	1	2.1%
Box Beam or Girders - Single or Spread	1	2.1%