Culvert Failure Cost


Replacing a culvert means road construction, and road construction means a major disruption for the traveling public, homeowners and business owners. INFRASTEEL® can prevent this expense and inconvenience through culvert rehabilitation. This allows the existing road, highway or railway to be preserved rather than cut and replaced. INFRASTEEL® is much more cost-effective than the expensive, time-consuming and disruptive choice of road construction and culvert replacement.

Throughout the United States, there are millions of culverts that have exceeded their design life. Some of these antique structures were actually built by stone masons and craftsmen over 100 years ago, while others were installed using steel and concrete products that that have rusted or crumbled over time. It’s common to see news reports about failing bridges and roads which have collapsed into "sink holes" or are blocked by flooding. Depending on their size, large culverts and groups of culverts are often out-of-sight and out-of-mind until a road collapses or a sinkhole appears. When a culvert fails and the road collapses, not only are motorists at risk, the adjacent land owners are also affected with flooding that is often considerable. When a stream with heavy flow rates is damned up due to culvert failure, the water has to go somewhere. Loss of property and lawsuits are avoided when failing culverts are identified and repaired.

Culvert Failure Video

Culvert Rehabilitation Case Study

INFRASTEEL® was chosen by the New York State Department of Transportation and St. Lawrence County Department to successfully complete two large diameter culvert preservation projects. The existing structures were large, failing arched culverts that needed major repair. The culverts were installed in the 1960s and had 131 and 103 inch spans, respectively. Both culverts were completely rusted through.

Rather than cutting the road and replacing the culverts, they decided to go with INFRASTEEL® because the product could match the plate arch shape of the existing structures and provide a smooth wall ID that would not decrease hydraulic capacity. The addition of copper to the steel makes INFRASTEEL® more corrosion resistant in comparison to other products. The anticipated life expectancy of INFRASTEEL® is 50 to 100 years.

A video of the slip lining process for one of the culverts is below.

The actual material and construction cost of the two INFRASTEEL® culvert rehabilitation projects was $160,000. The construction methods used for these two projects saved the taxpayers of New York State and St. Lawrence County $816,800. For more detail about this project, please click here.

St. Lawrence County Slip Lining Video

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