O Condado de Madison, em Iowa, preserva seis pontes históricas cobertas, datadas de 1868-1889, para uso em veículos e pedestres. Iowa's Madison County preserves six historic covered bridges, dating from 1868-1889, for vehicle and pedestrian use.

O Condado de Madison, em Iowa, possui seis pontes cobertas históricas remanescentes, originalmente construídas entre 1868-1889, incluindo The Cedar, Cutler-Donahoe, Hogback, Holliwell, Imes e Roseman. Iowa's Madison County boasts six remaining historic covered bridges, originally built between 1868-1889, including The Cedar, Cutler-Donahoe, Hogback, Holliwell, Imes, and Roseman. A Ponte Cedar é a única aberta aos veículos; os outros são para pedestres e ciclistas. The Cedar Bridge is the only one open to vehicles; the others are for pedestrians and cyclists. Surpreendentemente, as pontes Marysville e Wilcox, construídas na década de 1870, são metades da mesma ponte, realocadas na década de 1970. Surprisingly, the Marysville and Wilcox bridges, built in the 1870s, are halves of the same bridge, relocated in the 1970s.