This bridge was the last truss bridge on public roads in Sanilac County. Cash Road Bridge was moved onto private property, and Church Road Bridge is destroyed. The remote Nicol Road Bridge, which carried little traffic, and had become a rare piece of Sanilac County's transportation heritage, was torn down in spring of 2005.
CR Hunt contractors who were hired by Sanilac County to replace the bridge were kind enough to provide the railings from this bridge, which HistoricBridges.org took and placed on a small private steel stringer bridge in St. Clair County. In this sense, a small portion of this historic bridge remains. Photos of the reused railings are available in one of the photo galleries.
This bridge was a Warren pony truss, and the connections were riveted. No v-lacing was present on any members, which was mostly composed of paired angles, a design that seems to have been quite popular in Michigan's Thumb area. However, due to the number of bridges like this remaining, this bridge had become rare and unique. It was built in 1905, according to the Michigan Historic Bridge Inventory. Sanilac County Road Commission decided the best way to celebrate this bridge's centennial year was to demolish it.
The Nicol Road Bridge appeared to retain a high degree of historic integrity. The deck was a jack-arch design: concrete poured on top of corrugated steel, and the guardrails were latticed. This all is in keeping with other Warren pony trusses of the time in this region. There appear to be have been no major modifications to this bridge, with the exception of a small repair to the guardrails, which was done by trying to weld and patch the existing lattice railings. It looked a like a car had taken a swipe at the bridge causing some damage to the railings. The bridge had a posted combination weight limit of 8-14-14 tons. The abutments of the bridge were concrete, and the bridge was set down into those abutments a bit, giving it a low appearance.
The abutments had deteriorated a quite a bit, and the bridge looked like it might eventually fall, because the concrete under the bearings of the bridge was falling away. The deck was also bad, and the corrugated steel was falling apart, which might have eventually caused the deck to fall out wherever the corrugated steel failed. Despite these problems, the actual truss structure's excellent condition was unparalleled among Michigan bridges. Despite a complete lack of paint, section loss and pack rust was nearly nonexistent on the bridge! This is a bridge that should not have been demolished and replaced. Instead, the deck should have been removed. Then, the abutments could either have been repaired, or the bridge could have been lifted off the river and new abutments constructed. The bridge could have been sandblasted and painted, although to save money this step could be skipped. On a dirt road miles away from winter deicing salts, the bridge appeared to have been acting like weathering steel, with the rust not causing any accelerated deterioration.
Since this bridge was small, and was the last Sanilac county truss bridge, and had historic and structural integrity, restoring this bridge should have been a no-brainer. Instead, Sanilac County acted with no brains, and went ahead and had the bridge demolished. Now Sanilac County has entered the list of truss-less counties. Once, metal truss bridges were one of the most common bridge types in America. During a period of rapid development in this nation, metal truss bridges were one of the most common types of bridge providing safe and reliable transportation. For a county to destroy the last remaining bridge of this type... and one that was feasible to preserve... shows a lack of respect for this country's heritage.
This historic bridge has been demolished. This map is shown for reference purposes only.
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