High angle view of bridge built over picturesque, turquoise river

mahitahi river bridge south island kiwi infrastructure onelane bridge narrow bridge scenic drive countryside rustic new zealand west coast westland district mahitahi river natural beauty engineering marvel crosses waterway aged concrete built to last local attraction visitor hotspot structural engineering community hub accessible by road durable picturesque tourist destination single lane contemporary design traffic flow maintenance costs fishing hunting outdoor activities adventure nature conservation environmental protection rural life agriculture dairy farming sheep farming native bush road trip coastal views beaches coastal walks historical sites rural aerial blue car driving