After the rainstorm, cracks appeared in the river embankment.
Tips
usage
堤 (dī) is the generic word for an embankment or dike; 河堤 specifies one along a river. Compare 堤坝 (dike-dam, a broader term) and 海堤 (sea wall). In flood season you will hear 加固河堤 ('reinforce the embankment') constantly on the news.