Nicrisse & Decluve

Arenas Bridge (Cayey, Puerto Rico)
Fabrication in Belgium, 1893
Eiffel through truss bridge over Rio de la Plata on PR 735
Looks to be open to traffic via cars approaching and heading away from bridge on each side.

Cayey Bridge (Guayama, Puerto Rico)
Built 1891
Lattice pony truss bridge over Rio Guamani on PR 15
Open to traffic