Alger County, Michigan bridges

Alger County has 53 bridges and culverts in the National Bridge Inventory, the oldest built in 1906. 7 (13%) are rated poor. The most common type is stringer/multi-beam or girder (47%).

Bridges: 53
Good: 30%
Fair: 57%
Poor: 13%; 7 bridges
Average age: 69.2 yrs
Posted or closed: 12

Map of bridges in Alger County

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

Search bridges in Alger County

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

Condition

Good30%(16)

Fair57%(30)

Poor13%(7)

When they were built

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

Busiest

M-28 over Anna River
7,171 vehicles/day
Fair
East Munising Ave over Anna River
5,715 vehicles/day
Fair
M-28 over Au Train River
5,200 vehicles/day
Fair
US-41 over Huber Creek
3,609 vehicles/day
Fair
M-28 over Sand River
3,093 vehicles/day
Fair

Longest

M-28 over Au Train River
150 ft
Fair
M-94 over Canadian National RR
121 ft
Fair
Diffin Road over Whitefish River
90 ft
Fair
Woodland Road over Au Train River
90 ft
Poor
Forest Lake R FH79 over Au Train River
82 ft
Good

Oldest

Diffin Road over Werners Creek
Built 1906
Fair
King Road over Whitefish River
Built 1910
Poor
Karvonen Road over Laughing Whitefish River
Built 1910
Fair
Alec Johnson Road over Whitefish River
Built 1910
Poor
Kivamaki Road over Whitefish River
Built 1910
Poor

All bridges in Alger County

Busiest first · showing 1–53 of 53

Bridges in Alger County
Bridge	Location	Built	Type	Length	Daily traffic	Condition
M-28 over Anna River No. 000000000000049	In Munising	1949	Stringer/Multi-beam or Girder	39 ft	7,171	Fair
East Munising Ave over Anna River No. 000000000000085	0.5 MI from M-28 Old M-94	1978	Box Beam or Girders - Multiple	39 ft	5,715	Fair
M-28 over Au Train River No. 000000000000047	E Limits of Au Train	1932	Stringer/Multi-beam or Girder	150 ft	5,200	Fair
US-41 over Huber Creek No. 000000000000034	9.4 MI NW of Trenary	1987	Box Beam or Girders - Multiple	37 ft	3,609	Fair
M-28 over Sand River No. 000000000000044	0.4 MI E of Marquette Col	1939	Arch - Deck	64 ft	3,093	Fair
M-28 over Laughing Whitefish River No. 000000000000045	3.2 MI E of Marquette Col	1939	Box Beam or Girders - Single or Spread	40 ft	3,093	Good
M-28 over Rock River No. 000000000000046	5.1 MI NW of Au Train	1932	Stringer/Multi-beam or Girder	40 ft	3,093	Fair
US-41 over W Br Whitefish River No. 000000000000032	1.5 MI SW of Trenary	1936	Stringer/Multi-beam or Girder	60 ft	2,264	Fair
M-28 over Hickey Creek No. 000000000000050	0.3 MI E of Shingleton	1947	Stringer/Multi-beam or Girder	55 ft	1,973	Fair
M-28 over Prairie Creek No. 000000000000051	2.9 Miles E of Shingleton	1947	Stringer/Multi-beam or Girder	69 ft	1,973	Poor
M-28 over Star Creek No. 000000000000052	3.4 MI E of Shingleton	1947	Stringer/Multi-beam or Girder	49 ft	1,973	Fair
M-94 over Au Train River No. 000000000000036	W Limits of Forest Lake	1919	Arch - Deck	47 ft	1,848	Fair
M-94 over Canadian National RR No. 000000000000039	5.2 MI SW of Munising	1945	Stringer/Multi-beam or Girder	121 ft	1,848	Fair
M-94 over Slapneck Creek No. 000000000000035	1.6 MI W of Forest Lake	1952	Tee Beam	34 ft	1,763	Fair
US-41 over W Br Whitefish River No. 000000000000033	8.1 MI NW of Trenary	1936	Stringer/Multi-beam or Girder	60 ft	1,640	Poor
M-67 over Scotts Creek No. 000000000000040	W Lts of Trenary	1953	Arch - Deck	45 ft	1,352	Fair
M-67 over Dexter Creek No. 000000000000041	3.7 MI NE of Trenary	1929	Tee Beam	23 ft	1,163	Fair
M-67 over Black Creek No. 000000000000042	2.6 MI S of Chatham	1929	Tee Beam	23 ft	1,163	Fair
Autrinforest Lk RD over Au Train River No. 000000000000059	0.66 MI S of Au Train	1980	Stringer/Multi-beam or Girder	72 ft	682	Fair
County RD(H-58) over Hurricane River No. 000000000013495	Burt Twp Sec 10	2010	Culvert	52 ft	675	Good
Forest Lake R FH79 over Au Train River No. 000000000000060	1.44 MI S of Au Train	1977	Stringer/Multi-beam or Girder	82 ft	500	Good
M-77 over W Br Sucker River No. 000000000000053	6.2 MI S of Grand Marais	1928	Tee Beam	23 ft	406	Fair
Forest Hy 13(H-13) over Big Indian River No. 000000000000056	3.9 MI N of Delta CO Line	1942	Stringer/Multi-beam or Girder	50 ft	394	Fair
H-13 Federal Hy 13 over Little Indian River No. 000000000000057	8 MI N of County Line	1947	Tee Beam	27 ft	394	Good
County Line Road over Sucker River No. 000000000000063	6.0 MI E of Grand Marais	1935	Culvert	26 ft	200	Fair
Round Lake RD FH78 over Sturgeon River No. 000000000000064	2 MI E of W Br Lake RD	2001	Stringer/Multi-beam or Girder	35 ft	191	Good
Round Lake RD FH78 over West Branch Creek No. 000000000000065	0.25 MI N W Branch Lake	1949	Stringer/Multi-beam or Girder	27 ft	191	Good
Miners Castle Road over Miners River No. 6320001P0000000	0.5 Miles North of Miners	1953	Stringer/Multi-beam or Girder	20 ft	150	Fair
Rockriver Road over Rock River No. 000000000000058	1.1 MI S of M-28	2007	Box Beam or Girders - Multiple	60 ft	145	Good
Deerton Road over Laughing Whitefish River No. 000000000000062	At Deerton	2006	Box Beam or Girders - Multiple	45 ft	135	Good
Usfs Rte-Buckbayrd over Au Train River No. 000000000000067	3.5 MI S of Au Train	1970	Stringer/Multi-beam or Girder	58 ft	100	Fair
Diffin Road over Whitefish River No. 000000000000055	0.5 N of Diffin	1992	Box Beam or Girders - Multiple	90 ft	83	Fair
Peter White Road over Laughing Whitefish River No. 000000000000061	0.5 MI South of Deerton	1947	Stringer/Multi-beam or Girder	20 ft	73	Fair
Peter White Road over Laughing Whitefish River No. 000000000012959	1.25 MI S of Deerton	2001	Culvert	26 ft	73	Good
Diffin Road over Werners Creek No. 000000000000054	2 MI W of Diffin	1906	Truss - Thru	30 ft	50	Fair
Old US-41 over Whitefish River No. 000000000000066	0.75 MI S of Trenary	1989	Box Beam or Girders - Multiple	80 ft	50	Good
King Road over Whitefish River No. 000000000000074	6 MI NW of Traunik	1910	Girder and Floorbeam System	70 ft	50	Poor
Karvonen Road over Laughing Whitefish River No. 000000000000076	0.25 MI N of Deerton	1910	Stringer/Multi-beam or Girder	32 ft	50	Fair
Sand Lake Road over Sand River No. 000000000000078	0.25 MI S of Sand River	1915	Stringer/Multi-beam or Girder	23 ft	50	Fair
North Point Drive over Laughing Whitefish River No. 000000000000079	1.5 MI N of Deerton	2006	Box Beam or Girders - Multiple	60 ft	50	Good
Risku Road over Laughing Whitefish River No. 000000000000081	3 MI N of Deerton & M-28	1999	Stringer/Multi-beam or Girder	31 ft	50	Fair
Hoy Road over Scott Creek No. 000000000012838	Mathias Twp Sec 7	2003	Culvert	26 ft	50	Good
Usfs RTE 2473 over Big Indian River No. 091003000003023	0.5 MI W of Mirror Lake	2005	Arch - Deck	32 ft	50	Good
Old Seney Road over Sucker River No. 000000000000069	2 MI S Grand Marais Field	2012	Stringer/Multi-beam or Girder	30 ft	20	Good
Forest Road over Sucker River No. 000000000000070	4 MI E of Grand Marais	2001	Box Beam or Girders - Multiple	59 ft	20	Good
Armour Saari Road over Whitefish River No. 000000000000071	1 MI W of Trenary	1938	Truss - Thru	65 ft	10	Fair
Risku Farm Road over Laughing Whitefish River No. 000000000000080	2 MI N of Deerton	1958	Stringer/Multi-beam or Girder	31 ft	6	Fair
Alec Johnson Road over Whitefish River No. 000000000000072	5 MI W & 2 MI S Traunik	1910	Truss - Thru	42 ft	5	Poor
Kivamaki Road over Whitefish River No. 000000000000073	5.7 MI Wsw of Traunik	1910	Truss - Thru	46 ft	5	Poor
Paulson Road over Dexter Creek No. 000000000000075	4 MI E & 1.5 MI N Trenary	1920	Stringer/Multi-beam or Girder	23 ft	5	Poor
CR 201 (thornton) over Werners Creek No. 000000000013699	2.6 MI W of CR-209	1922	Stringer/Multi-beam or Girder	33 ft	5	Fair
Star Siding Road over Star Creek No. 000000000013700	1.5 MI N of M-28	1993	Stringer/Multi-beam or Girder	38 ft	5	Good
Woodland Road over Au Train River No. 000000000000068	0.75 MI E of Au Train	1910	Girder and Floorbeam System	90 ft	—	Poor

Structure types in Alger County

Stringer/Multi-beam or Girder	25	47.2%
Box Beam or Girders - Multiple	8	15.1%
Tee Beam	5	9.4%
Truss - Thru	4	7.5%
Arch - Deck	4	7.5%
Culvert	4	7.5%
Girder and Floorbeam System	2	3.8%
Box Beam or Girders - Single or Spread	1	1.9%