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| 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. |
| L | Most or all of the original bridge material has been demolished and replaced, including historically significant elements, but some original parts of the bridge remain. |
| 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 | HSR Rating | Facility Carried / Feature Intersected | Location | Structure Type | Structure Dimensions | Construction Date / Builder or Contractor | Description | Thumbnail |
Airline Road Bridge
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| Airline Road Over Black Creek | Norton Shores: Muskegon County, Michigan | Concrete Continuous T-Beam, Fixed |
Total Length: 60 ft Main Span Length: 20 ft Roadway Width: 40 ft Main Spans: 3 |
1931 By: Price Brothers Company of Lansing, Michigan | This bridge is a highly unusual variation of standard bridge plans in use at the time. |
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Broadway Avenue US-31 Bridge
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| Broadway Avenue Over US-31 | Norton Shores: Muskegon County, Michigan | Concrete Continuous Curved T-Beam, Fixed |
Total Length: 189 ft Main Span Length: 58.7 ft Roadway Width: 48 ft Main Spans: 4 |
1959 By: Darin and Armstrong, Inc of Detroit, Michigan and Michigan State Highway Department | This noteworthy bridge is perhaps the most technologically significant curved t-beam overpass in Michigan. |
| L |
Colby Street Railroad Overpass
BR-31 Railroad Overpass |
| Colby Street (BR-31) Over Railroad (Rail-Trail) | Rural: Muskegon County, Michigan | Metal Stringer (Multi-Beam), Fixed |
Total Length: 22 ft Main Span Length: 22 ft Roadway Width: 54 ft Main Spans: 1 |
1933 By: Owen-Ames-Kimball Company and Michigan State Highway Department | This bridge is far wider than its tiny length, and is noted for its use of a rare railing design. |
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