This bridge is significant because it is an example of Wayne County's rare cantilevered concrete arch bridges. These unusual bridges defy attempts at classification, and they often show up in the National Bridge Inventory as concrete t-beams because the arch is actually a closed spandrel ribbed arch bridge, which especially in smaller bridges like this can also look and function like a curved t-beam bridge in terms of engineering. Ribbed arch bridges are rare, and they are where a closed spandrel arch bridge is formed of individual beams rather than a solid arch structure. Wayne County built a number of these bridges across the county, and several examples remain today. A cantilevered concrete arch does not function like a traditional arch. Traditional arch bridges require the arch to be a complete and connected arch to function. This arch bridge does not function in that way. Each half of each arch spans is a cantilever arm that is structurally independent from the other half of the arch in that span. These cantilever arms support a suspended span which is essentially a reinforced concrete slab in the center of the bridge.
Hines Drive has a few of these arch bridges remaining some even being the exact same size as this bridge, but all of them have lost their original railings. This bridge next to the Newburgh Lake portion of Middle River Rouge, is a good representative example of this unusual bridge design on Hines Drive. A better documented and less altered example of this type elsewhere in the county that is of similar size to this bridge is the Middle Gibraltar Road Bridge.
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