0UndefinedUndefined
1Aluminum Box CulvertAlum Box
2Aluminum Long Span StructureAlum Long Span
3Cast-in-place Concrete CulvertCast-in-pl Conc
4Corrugated Aluminum PipeCorr Alum Pipe
5Corrugated Steel Box CulvertCorr Steel Box
6Corrugated Steel PipeCorr Steel Pipe
7Long Span Corrugated Steel StructureLng Span Corr St
8Masonry CulvertMasonry
9OtherOther
10Pre-Cast Concrete PipePre-Cast Conc
11Structural Plate Aluminum PipeStruc Plate Alum
12Structural Plate Steel PipeStruc Plate Steel
13NoneNone

