▁to ▁traffic . ▁ ▁The ▁Bel kn ap ▁Bridge ▁is ▁listed ▁on ▁the ▁National ▁Register ▁of ▁Historic ▁Places . ▁ ▁History ▁ ▁Lane ▁County ▁was ▁the ▁first ▁in ▁Oregon ▁to ▁build ▁covered ▁brid ges ▁on ▁a ▁large ▁scale . ▁ ▁Today , ▁the ▁county ▁has ▁more ▁surv iving ▁covered ▁brid ges ▁than ▁any ▁other ▁county ▁west ▁of ▁the ▁Mississippi ▁River , ▁a ▁total ▁of ▁ 1 7 ▁brid ges , ▁including ▁ 1 4 ▁that ▁are ▁still ▁open ▁to ▁traffic . ▁ ▁There ▁has ▁been ▁a ▁covered ▁bridge ▁at ▁the ▁Bel kn ap ▁Bridge ▁site ▁since ▁ 1 8 9 0 ▁as ▁four ▁different ▁bridge ▁structures . ▁ ▁The ▁original ▁Bel kn ap ▁Bridge ▁was ▁built ▁in ▁ 1 8 9 0 ▁by ▁Mr . ▁T . ▁Thom son . ▁ ▁It ▁was ▁named ▁for ▁a ▁pione er ▁family ▁that ▁settled ▁in ▁the ▁McK en zie ▁River ▁area , ▁Rol lin ▁S . ▁Bel kn ap , ▁who ▁discovered ▁and ▁developed ▁Bel kn ap ▁Spr ings ▁approximately ▁nine ▁miles ▁up stream ▁from ▁the ▁bridge . ▁ ▁His ▁son , ▁J . ▁H . ▁Bel kn ap , ▁was ▁involved ▁in ▁prom oting ▁a ▁to ll ▁road ▁over ▁McK en zie ▁Pass ▁in ▁the ▁early ▁ 1 8 7 0 s . ▁ ▁Tra ffic ▁weak ened ▁the ▁structure ▁over ▁time , ▁so ▁Lane ▁County ▁replaced ▁it ▁in ▁ 1 9 1 1 . ▁ ▁The ▁second ▁bridge ▁was ▁replaced ▁in ▁ 1 9 3 9 . ▁ ▁That ▁bridge , ▁however , ▁was