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Online Meeting: Replacing the MO 45 Bridge over Platte River


What is the Solution?

 

Replacing the bridge is the safest, most efficient alternative. The new bridge will be 32 foot wide plate girder bridge, like the Heart of America Bridge or the Route HH bridge in Platte City. An example of this type of bridge is pictured to the right.

Due to the nature of that type of bridge, the bridge will set approximately 8 feet higher. This will help minimize the effects of high water running along the Platte River.

The new bridge will be built  to the east of the existing structure. It will include two 11-foot driving lanes and paved shoulders at least 5 foot wide. It will have a 54-inch high rail to increase safety for bike or pedestrian crossings.  These improvements will make the bridge compatible with any bike paths created along MO 45 in the future.

Once the new bridge is complete, the old bridge will be removed. This bridge is a historic bridge based on its truss type of structure.

 

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Plate girder bridge

The bridge will be replaced with a steel plate girder bridge.

typical section of the bridge

Typical section of the bridge

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