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| This triple span beam bridge of reinforced concrete is located on Main Street in Sellersville, PA. | This road used to be Route 309 before the Sellersville bypass was built. | |
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| Buttresses are found on both sides of the bridge. | Why are the buttresses on the Perkasie side worn down to the reinforcing metal under the concrete on only one side of the bridge? | |
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| Cast cement over metal rebar is the material used to build the bridge. | The cement piers under the bridge run its entire width. |