unbridged

/ʌnˈbrɪdʒd/
adjective
  1. Not having a bridge; describing a river, gap, or chasm that has no bridge crossing it.
    • Many rural areas still have unbridged rivers that become impassable during floods.
    • The unbridged canyon made the journey much longer.
    • The hikers had to wade across the unbridged stream.
Antonyms