 Proposed uses for HPFRCCs include bridge decks, concrete pipes, roads, structures subjected to seismic and non-seismic loads, and other applications where a lightweight, strong and durable building material is desired.ECC has already been used by the Michigan Department of Transportation to patch a portion of the Grove Street Bridge deck over Interstate 94.The ECC patch was used as a replacement to the previously existent expansion joint that linked two deck slabs.