Nelsen Concrete Culvert Co.

Grau Bridge (Livingston County, Illinois)
Built 1927
Concrete pony/through girder bridge over Trib Short Point Creek on E 2200 N Rd
Open to traffic

Plowman Bridge (Livingston County, Illinois)
Built 1931
Concrete pony/through girder bridge over Moon Creek on E 3050 N Rd
Open to traffic