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Every bridge in Iosco County, Michigan

Name: Every bridge in Iosco County, Michigan
Creator: Bridge Report Card
License: https://creativecommons.org/publicdomain/zero/1.0/

47 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Iosco County, Michigan, has 47 bridges in the 2025 National Bridge Inventory: 12 rated good, 32 fair, and 3 poor (as of August 20, 2026).
This index lists every one of them, busiest first; each links to its own condition record.

Bridge	Built	Vehicles/day	Condition
US-23 over Tawas River	1984	15,836	Fair
F 41 over Van Ettan Creek	1979	12,300	Fair
US-23 over Au Sable River	1972	8,367	Fair
M-55\|hemlock St over Tawas River	1950	8,047	Fair
M-65 over Hale Creek	1952	6,737	Fair
US-23 over Private Road	1931	5,497	Fair
River Road over Au Sable River	1963	4,920	Fair
M-65 over Johnson Creek	1950	4,353	Poor
Monument Rd over Tawas River	1981	4,030	Fair
M-65 over Au Gres River	1951	3,354	Fair
M-55 over Au Gres River	1929	3,200	Good
M-55 over Au Gres River	1929	3,200	Good
M-55 over E Br Au Gres River	1954	3,110	Poor
Sixth Avenue over Dead Creek	1981	2,860	Fair
M-55 over Hope Creek	1928	2,529	Fair
M-65 over Au Sable River	2003	2,497	Fair
Whittemore Street over Tawas River	1981	1,480	Fair
Matthews Street over Tawas River	1972	1,380	Fair
Rea Rd over Au Sable River	1957	1,200	Fair
Sherman Rd over Silver Creek	1994	1,190	Fair
S Branch Rd over S Br of Au Sable River	1979	1,100	Fair
Whittemore Rd over Au Gres River	1975	1,090	Fair
Mill Street over Ausable River	1971	1,054	Good
Kings Corner over Pine River	1981	1,000	Fair
First Street over Tawas River	1972	950	Fair
Esmond Rd over Smith Creek	2017	858	Good
Turtle Rd over Au Gres River	2003	780	Fair
Whittemore Rd over E Br of Au Gres River	2017	757	Good
Meadow Road over Dead Creek	1993	740	Fair
Old State Rd over E Br of Au Gres River	1977	720	Fair
Alabaster Rd over E Br of Au Gres Riv	1980	640	Fair
National City Rd over Augres River	1978	530	Fair
Curtis Road over Hale Creek	1976	480	Fair
Sand Lake Rd over E Branch of Augres River	1982	420	Fair
National City Rd over County Drain	2002	390	Good
Carpenter Road over East Branch Augres River	1979	300	Fair
Kobs Road over Dead Creek	2001	300	Good
Shellenbarger Road over Smith Creek	1950	220	Poor
Alabaster Rd over Whitney Creek	2024	208	Good
Swan Rd (davison) over Silver Creek	2001	180	Good
Towerline Road over Johnson Creek	1988	160	Fair
Wickert Rd FH14 over S Br of Au Sable River	1998	150	Good
Towerline Road over Hale Creek	1952	130	Good
Curtis Road over Smith Creek	1931	120	Fair
Hottis Rd over Johnson Creek	1978	120	Fair
Brooks Road over Silver Creek	1935	70	Fair
Turtle Road over East Branch Augres River	2008	50	Good

Source: FHWA National Bridge Inventory, 2025.

Iosco County bridge conditions · Michigan bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.