The bridge below was believed significant enough to be put on the 10 Nakfa note.  This is near Dogali.  It is one of the most significant bridges on the flats.  It is probably the titled bridge in the Narative from Africa Orientale Italiana.  This is probably the Bridge of the Tamarisco.

Photo courtesy of Mebrat Tzehaie and Hans vand der Splinter. From Eritrea Horizons.
The 10 Nakfa note shows the same bridge.

Photo courtesy of Mebrat Tzehaie and Hans vand der Splinter.

Picture courtesy of Jerry Pry.