Otranto Bridge

Otranto Bridge
Formerly listed on the U.S. National Register of Historic Places
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Location	480th Ave. over the Big Cedar River
Nearest city	St. Ansgar, Iowa
Coordinates	43°27′29″N 92°58′55″W
Area	less than one acre
Built	1899
Built by	Chicago Bridge and Iron Company
Architect	Horace E. Horton
Architectural style	Camelback truss
MPS	Highway Bridges of Iowa MPS
NRHP reference No.	98000495[1]
Significant dates
Added to NRHP	May 15, 1998
Removed from NRHP	October 20, 2020

The Otranto Bridge was located northwest of St. Ansgar, Iowa, United States. It carried traffic on 480th Avenue over the Cedar River for 170 feet (52 m).^[2] The supervisors from Mitchell County contracted with the Chicago Bridge and Iron Company (CBI) to build two bridges in the county. Chicago engineer Horace E. Horton from CBI designed this Camelback through truss bridge. It replaced and older span at the same location, and it was completed in 1899 for $3,257.^[2] The Otranto Bridge was one of the few Camelback through truss bridges built in Iowa.^[2] It was replaced by a modern bridge and was privately owned before being dismantled.

The bridge was listed on the National Register of Historic Places in 1998.^[1] It was removed in 2020.^[3]

References

1. "National Register Information System". National Register of Historic Places. National Park Service. March 13, 2009.
2. John Lauber. "Otranto Bridge". National Park Service. Retrieved May 13, 2016. with one photo from 1998
3. "National Register of Historic Places Program: Weekly List". National Park Service. October 23, 2020. Retrieved October 26, 2020.