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Every bridge in Alger County, Michigan

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

53 inventoried bridges, busiest first

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

Alger County, Michigan, has 53 bridges in the 2025 National Bridge Inventory: 16 rated good, 30 fair, and 7 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
M-28 over Anna River	1949	7,171	Fair
East Munising Ave over Anna River	1978	5,715	Fair
M-28 over Au Train River	1932	5,200	Fair
US-41 over Huber Creek	1987	3,609	Fair
M-28 over Laughing Whitefish River	1939	3,093	Good
M-28 over Rock River	1932	3,093	Fair
M-28 over Sand River	1939	3,093	Fair
US-41 over W Br Whitefish River	1936	2,264	Fair
M-28 over Hickey Creek	1947	1,973	Fair
M-28 over Prairie Creek	1947	1,973	Poor
M-28 over Star Creek	1947	1,973	Fair
M-94 over Au Train River	1919	1,848	Fair
M-94 over Canadian National RR	1945	1,848	Fair
M-94 over Slapneck Creek	1952	1,763	Fair
US-41 over W Br Whitefish River	1936	1,640	Poor
M-67 over Scotts Creek	1953	1,352	Fair
M-67 over Black Creek	1929	1,163	Fair
M-67 over Dexter Creek	1929	1,163	Fair
Autrinforest Lk Rd over Au Train River	1980	682	Fair
County Rd(h-58) over Hurricane River	2010	675	Good
Forest Lake R FH79 over Au Train River	1977	500	Good
M-77 over W Br Sucker River	1928	406	Fair
Forest Hy 13(h-13) over Big Indian River	1942	394	Fair
H-13 Federal Hy 13 over Little Indian River	1947	394	Good
County Line Road over Sucker River	1935	200	Fair
Round Lake Rd FH78 over Sturgeon River	2001	191	Good
Round Lake Rd FH78 over West Branch Creek	1949	191	Good
Miners Castle Road over Miners River	1953	150	Fair
Rockriver Road over Rock River	2007	145	Good
Deerton Road over Laughing Whitefish River	2006	135	Good
Usfs Rte-buckbayrd over Au Train River	1970	100	Fair
Diffin Road over Whitefish River	1992	83	Fair
Peter White Road over Laughing Whitefish River	1947	73	Fair
Peter White Road over Laughing Whitefish River	2001	73	Good
Diffin Road over Werners Creek	1906	50	Fair
Hoy Road over Scott Creek	2003	50	Good
Karvonen Road over Laughing Whitefish River	1910	50	Fair
King Road over Whitefish River	1910	50	Poor
North Point Drive over Laughing Whitefish River	2006	50	Good
Old US-41 over Whitefish River	1989	50	Good
Risku Road over Laughing Whitefish River	1999	50	Fair
Sand Lake Road over Sand River	1915	50	Fair
Usfs Rte 2473 over Big Indian River	2005	50	Good
Forest Road over Sucker River	2001	20	Good
Old Seney Road over Sucker River	2012	20	Good
Armour Saari Road over Whitefish River	1938	10	Fair
Risku Farm Road over Laughing Whitefish River	1958	6	Fair
Alec Johnson Road over Whitefish River	1910	5	Poor
CR 201 (thornton) over Werners Creek	1922	5	Fair
Kivamaki Road over Whitefish River	1910	5	Poor
Paulson Road over Dexter Creek	1920	5	Poor
Star Siding Road over Star Creek	1993	5	Good
Woodland Road over Au Train River	1910	–	Poor

Source: FHWA National Bridge Inventory, 2025.

Alger County bridge conditions · Michigan bridges by county.

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