| Special Bridge Conditions Legend |
| ! | Confirmed demolition date within one year or an especially historic bridge that is threatened with demolition at any level. |
| X | The bridge has been confirmed demolished or collapsed. |
| S | The bridge has been dismantled or moved to an offsite location and is not currently available for public viewing. |
| Note: This website cannot guarantee the current condition of any bridge on this website. Bridges lacking these icons should not necessarily be considered condition-free. |
| Bridge Name | Facility Carried / Feature Intersected | Location | Structure Type | Structure Dimensions | Construction Date / Builder or Contractor | Description | Thumbnail |
118th Avenue Bridge
Monroe Road Bridge | 118th Avenue (Monroe Road) Over Swan Creek | Rural: Allegan County, Michigan | Concrete 50 Foot Plan Curved Chord Through Girder, Stationary |
Total Length: 50 ft Main Span Length: 48 ft Roadway Width: 22 ft Main Spans: 1 |
1926 By: Townsend-Shuttleworth-Ballmer Company of Lansing, Michigan and Michigan State Highway Department | This attractive historic bridge is located in a scenic, public state game area and deserves preservation. | 
| X |
139th Avenue Bridge
| 139th Avenue Over Black Creek | Rural: Allegan County, Michigan | Metal Riveted Warren Pony Truss, Stationary |
Total Length: 44 ft Main Span Length: 42 ft Roadway Width: 16 ft Main Spans: 1 |
1920 By: Unknown | A good example of a small warren pony truss in a pleasant setting. | 
|
2nd Street Bridge
South Side Bridge | 2nd Street Over Kalamazoo River | Allegan: Allegan County, Michigan | Metal Pinned Whipple Through Truss, Stationary |
Total Length: 229 ft Main Span Length: 200 ft Roadway Width: 16 ft Main Spans: 1 |
1886 By: King Bridge Company of Cleveland, Ohio | A beautiful through truss forms the centerpiece for this town. Built by King Bridge Co. | 
|
2nd Street Bridge North
| 2nd Street Over Gun River | Rural: Allegan County, Michigan | Concrete 50 Foot Plan Curved Chord Through Girder, Stationary |
Total Length: 50 ft Main Span Length: 48 ft Roadway Width: 22 ft Main Spans: 1 |
1926 By: Unknown and Michigan State Highway Department | This bridge is one of two beautiful concrete camelback bridges only a short distance from each other. | 
|
2nd Street Bridge South
| 2nd Street Over Gun River | Hooper (Rural): Allegan County, Michigan | Concrete 50 Foot Plan Curved Chord Through Girder, Stationary |
Total Length: 50 ft Main Span Length: 48 ft Roadway Width: 22 ft Main Spans: 1 |
1926 By: Yost Brothers of Decatur, Indiana | This bridge is both rare as a good example of a small camelback bridge, and also as a Covert Act bridge. | 
|
A-45 Rabbit River Bridge
| A-45 (11th Street) Over Rabbit River | Rural: Allegan County, Michigan | Concrete T-Beam, Stationary |
Total Length: 31.8 ft Main Span Length: 31.8 ft Roadway Width: 35 ft Main Spans: 1 |
1940 By: Unknown | This is a small concrete bridge with a nice railing design. | 
| X |
A-45 Railroad Overpass
| A-45 (10th Street) Over Railroad (Norfolk Southern) | Rural: Allegan County, Michigan | Metal Stringer, Stationary |
Total Length: 150 ft Main Span Length: 53.8 ft Roadway Width: 44 ft Main Spans: 3 |
1939 By: John W. Hertel | This bridge showcases the horrific damage that salt does to steel bridges. | 
|
Hamilton Railroad Bridge
| Railroad (Formerly CSX) Over Rabbit River | Hamilton: Allegan County, Michigan | Wood Stringer, Stationary |
Total Length: 300 ft Roadway Width: 12 ft |
1916 By: Unknown | This appears to be a rather old, and large example of wooden railroad bridge construction in Michigan. | 
|
Kalamazoo River Railroad Bridge
| Railroad (Norfolk Southern) Over Kalamazoo River | Rural: Allegan County, Michigan | Metal Riveted Pratt Full-Slope Pony Truss, Stationary | Main Spans: 2 | By: Unknown | An extremely rare example of a railroad pony truss bridge, plus it is two-span, and has highly unusual plate steel members! | 
|
M-222 Overpass
| M-222 (116th Avenue) Over US-131 | Rural: Allegan County, Michigan | Concrete Pre-Stressed Stringer, Stationary |
Total Length: 188 ft Main Span Length: 58.7 ft Roadway Width: 40.4 ft Main Spans: 4 |
1959 By: Carl Goodwin and Sons | A representative example of an early pre-stressed concrete overpass in Michigan. | 
|
New Richmond Bridge
57th Street Bridge | 57th Street (Old Allegan Road) Over Kalamazoo River | New Richmond: Allegan County, Michigan | Metal Pinned Warren Pony Truss, Movable: Swing |
Total Length: 422 ft Main Span Length: 72 ft Roadway Width: 11.8 ft Main Spans: 1 |
1879 By: Milwaukee Bridge and Iron Works of Milwaukee, Wisconsin | The longest pony truss in Michigan, possibly the oldest swing bridge in the United States, and an extremely rare pinned Warren truss! | 
|
New Richmond Railroad Bridge
| Railroad (CSX) Over Kalamazoo River | New Richmond: Allegan County, Michigan | Metal Deck Girder, Movable: Swing |
Total Length: 435 ft Roadway Width: 8 ft Main Spans: 6 |
1907 By: American Bridge Company of New York, New York | This deck plate girder is an old swing bridge that had its mechanics removed. | 
|
New Richmond Railroad Overpass
| Railroad (CSX) Over 57th Street (Old Allegan Road) | New Richmond: Allegan County, Michigan | Metal Stringer, Stationary | Main Spans: 1 | 1907 By: King Bridge Company of Cleveland, Ohio | A good example of a railroad steel stringer built by the King Bridge Company of Cleveland, Ohio. | 
|
Washington Avenue Bridge
| Washington Avenue Over North Branch Black River | Near Holland: Allegan County, Michigan | Concrete T-Beam, Stationary |
Total Length: 30.8 ft Main Span Length: 30 ft Roadway Width: 58 ft Main Spans: 1 |
1928 By: Unknown | A good example of an attractive small-scale bridge design that was built in the 1920s. | 
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