US Bridges

Keweenaw County, Michigan bridges

Keweenaw County has 12 bridges and culverts in the National Bridge Inventory, the oldest built in 1928. 1 (8%) are rated poor. The most common type is stringer/multi-beam or girder (42%).

Bridges
12
Good
33%
Fair
58%
Poor
8%
1 bridges
Average age
61.7 yrs
Posted or closed
0

Map of bridges in Keweenaw County

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

Search bridges in Keweenaw County

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

Condition

8%poor
Good33%(4)
Fair58%(7)
Poor8%(1)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 1 bridges119201930s: 2 bridges219301940s: 2 bridges219401950s: 2 bridges219501960s: 0 bridges19601970s: 1 bridges119701980s: 3 bridges319801990s: 0 bridges19902000s: 0 bridges20002010s: 0 bridges20102020s: 1 bridges12020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. US-41 M-26 over Gratiot River
    3,430 vehicles/day
    Good
  2. US-41 over East Branch Eagle River
    1,399 vehicles/day
    Fair
  3. M-26 over Silver River
    1,100 vehicles/day
    Good
  4. US-41 over Fanny Hooe Creek
    899 vehicles/day
    Fair
  5. M-26 over Central Creek
    849 vehicles/day
    Fair

Longest

  1. M-26 over Eagle River
    152 ft
    Fair
  2. M-26 over Eagle River
    68 ft
    Fair
  3. Gay Laclabelle RD over Tobacco River
    55 ft
    Good
  4. M-26 over Silver River
    54 ft
    Good
  5. M-26 over Central Creek
    51 ft
    Fair

Oldest

  1. US-41 over Fanny Hooe Creek
    Built 1928
    Fair
  2. US-41 over East Branch Eagle River
    Built 1932
    Fair
  3. Cliff Drive over Gratiot River
    Built 1935
    Poor
  4. Lac LA Belle RD over Montreal River
    Built 1942
    Fair
  5. M-26 over Owls Creek Buried
    Built 1948
    Good

All bridges in Keweenaw County

Busiest first · showing 1–12 of 12
Bridges in Keweenaw County
BridgeLocationBuiltTypeLengthDaily trafficCondition
US-41 M-26 over Gratiot River
No. 000000000005254
3.4 MI NE of Mohawk1953Tee Beam25 ft3,430Good
US-41 over East Branch Eagle River
No. 000000000005256
0.7 MI NE of M-261932Box Beam or Girders - Multiple31 ft1,399Fair
M-26 over Silver River
No. 000000000005264
4.0 MI N of Eagle River2023Stringer/Multi-beam or Girder54 ft1,100Good
US-41 over Fanny Hooe Creek
No. 000000000005257
1.0 MI E of M-261928Arch - Deck25 ft899Fair
M-26 over Central Creek
No. 000000000005258
0.2 MI N of US-411988Stringer/Multi-beam or Girder51 ft849Fair
M-26 over Eagle River
No. 000000000005259
0.25 MI N of Phoenix1987Stringer/Multi-beam or Girder68 ft849Fair
M-26 over Owls Creek Buried
No. 000000000005261
4.5 MI NE of Eagle River1948Culvert23 ft849Good
Lac LA Belle RD over Montreal River
No. 000000000014626
0.4 MI E of US-411942Culvert22 ft558Fair
Cliff Drive over Gratiot River
No. 000000000005265
4.0 MI N of Ahmeek Villag1935Stringer/Multi-beam or Girder24 ft128Poor
Gay Laclabelle RD over Little Gratiot River
No. 000000000005267
1 MI W of Laclabelle1959Culvert22 ft126Fair
Gay Laclabelle RD over Tobacco River
No. 000000000005266
0.7 Miles Northeast Gay1977Stringer/Multi-beam or Girder55 ft102Good
M-26 over Eagle River
No. 000000000005262
In Eagle River1988Arch - Deck152 ft60Fair

Structure types in Keweenaw County

Stringer/Multi-beam or Girder541.7%
Culvert325.0%
Arch - Deck216.7%
Tee Beam18.3%
Box Beam or Girders - Multiple18.3%

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