▁were ▁ins u fficient ▁by ▁the ▁mid ▁ 1 9 5 0 s ▁as ▁demand ▁increased ▁leading ▁to ▁long ▁lines ▁of ▁vehicles ▁waiting ▁to ▁cross ▁the ▁bay . ▁ ▁Wild f ires ▁on ▁the ▁island ▁in ▁ 1 9 5 5 ▁further ▁convinced ▁the ▁county ▁to ▁build ▁a ▁bridge ▁as ▁it ▁would ▁improve ▁access ▁to ▁the ▁island ▁for ▁fire fig h ters . ▁ ▁An ▁early ▁proposal ▁would ▁have ▁had ▁a ▁bridge ▁running ▁from ▁Point ▁Y bel ▁( where ▁San ib el ▁L ighth ouse ▁is ▁currently ▁located ) ▁to ▁the ▁main land , ▁since ▁it ▁was ▁the ▁short est ▁route . ▁ ▁Although ▁the ▁current ▁route ▁was ▁ultimately ▁selected ▁due ▁to ▁the ▁bay ▁being ▁shall ower ▁and ▁two ▁cause way ▁island ▁could ▁be ▁created ▁by ▁d red ging . ▁ ▁While ▁Ba iley ▁Road ▁was ▁then ▁selected ▁as ▁the ▁termin us ▁of ▁the ▁bridge ▁on ▁the ▁island , ▁Hugo ▁Lind gren ▁granted ▁the ▁county ▁right - of - way ▁through ▁his ▁property ▁on ▁the ▁bay , ▁which ▁the ▁county ▁accepted . ▁ ▁Const ruction ▁on ▁the ▁entire ▁cause way ▁and ▁the ▁three ▁original ▁brid ges ▁last ed ▁ 1 5 ▁months ▁and ▁cost ▁$ 2 . 7 3 ▁million . ▁It ▁was ▁the ▁last ▁major ▁project ▁designed ▁by ▁H ector ▁F . J . ▁Est rup , ▁Civil ▁Engine er , ▁owner ▁of ▁Car ib bean ▁Engine ers . ▁The ▁San ib el ▁C ause way ▁was ▁completed ▁and ▁opened ▁for ▁traffic ▁on ▁May ▁ 2 6 , ▁ 1 9 6