▁sp ans ▁ 3 1 ▁feet ▁in ▁length ▁sitting ▁on ▁concrete ▁ab ut ments ▁and ▁a ▁concrete - post ▁pier . ▁The ▁string ers ▁are ▁enc ased ▁in ▁concrete ▁and ▁support ▁a ▁ 5 0 . 3 - foot - wide ▁concrete ▁deck ▁covered ▁with ▁as ph alt ▁to ▁make ▁a ▁ 3 0 ▁foot ▁wide ▁road way . ▁The ▁par ap ets ▁rail ings ▁are ▁solid ▁concrete ▁with ▁eight ▁re cess ed ▁pan els ▁arranged ▁in ▁pairs ▁between ▁five ▁concrete ▁posts . ▁A ▁wooden ▁pole ▁lum inaire ▁is ▁located ▁at ▁each ▁end ▁of ▁the ▁side walk . ▁ ▁Sign ific ance ▁The ▁De qu indre ▁C ut ▁is ▁in ▁good ▁condition , ▁and ▁the ▁course ▁of ▁the ▁C ut ▁and ▁how ▁it ▁rel ates ▁to ▁the ▁street ▁grid ▁is ▁apparent ▁from ▁the ▁Anti et am ▁Avenue ▁Bridge . ▁The ▁bridge ▁is ▁good ▁evidence ▁of ▁the ▁grade ▁separation ▁effort ▁early ▁in ▁the ▁tw enti eth ▁century . ▁ ▁See ▁also ▁ ▁References ▁ ▁External ▁links ▁Ch est nut ▁Street ▁Bridge ▁from ▁Historic B rid ges . org : ▁multiple ▁photograph s . ▁ ▁Category : B rid ges ▁in ▁Detroit ▁Category : Ro ad ▁brid ges ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places ▁in ▁Michigan ▁Category : B rid ges ▁completed ▁in ▁ 1 9 2 9 ▁Category : Ro ad ▁brid ges ▁in ▁Michigan ▁Category : National ▁Register ▁of ▁Historic ▁Places ▁in ▁Detroit ▁Category : Gr and ▁Tr unk ▁Western ▁Rail road ▁Category : 1 9 2 9 ▁establish ments ▁in ▁Michigan