Railroad bridge spanning an old course of Pirai River, Santa Cruz, Bolivia.

Flood-prone stream, Lower Chaco, Paraguay.

Turia river, designed for recreation, Spain.

Mouth of Lake Titicaca into Desaguadero river, Peru.

Rio Confuso, Chaco, Paraguay.

Rio Gallegos, Patagonia, Argentina.

Large concrete ford in the Rio Jaguaribe, Ceara, Brazil.

Wooden bridge along main road in Pantanal wetland, Mato Grosso, Brazil.

Bridge over Cañon del Padre, Tijuana, Mexico.

Meandering stream in Meta department, eastern Colombia.

Road bridge in Tecate. Mexico.

Concrete ford in Arroyo El Descanso, south of Rosarito, Mexico.

Suspension bridge over River Ganges, near Hariduar, India.

Single-abutment suspension bridge over Rio Santa Catarina, Monterrey, Mexico.

Bridge over Rio Atoyac, Oaxaca, Mexico.

Bridge (and ford) over Blvd. Clouthier, on the Arroyo Alamar, Tijuana, Mexico.

Bridge over Blvd. Teran-Teran, on the Arroyo Alamar, Tijuana, Mexico.

Crossing over Arroyo Las Palmas, south of Tecate, Mexico.

Crossing over Arroyo Tecate, near El Descanso, Tecate.

Crossing of Tinajones Feeder Canal with Chiriquipe Wash, Lambayeque, Peru.

Hanging straw bridge over the Apurimac river at Keshwachaca, near Cuzco, Peru.

Astoria-Megler bridge over the Columbia river near its mouth, washington.