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Fromberg Concrete Arch Bridge

Coordinates: 45°23′30″N 108°53′42″W / 45.39167°N 108.89500°W / 45.39167; -108.89500
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Fromberg Concrete Arch Bridge
1980 HAER photo
Fromberg Concrete Arch Bridge is located in Montana
Fromberg Concrete Arch Bridge
Fromberg Concrete Arch Bridge is located in the United States
Fromberg Concrete Arch Bridge
LocationRiver Street over Clarks Fork Yellowstone River, Fromberg, Montana
Coordinates45°23′30″N 108°53′42″W / 45.39167°N 108.89500°W / 45.39167; -108.89500
Arealess than one acre
Built1914
Built byBeley Construction Company
ArchitectC. A. Gibson
Architectural styleConcrete arch bridge
MPSFromberg MPS
NRHP reference No.92001790[1]
Added to NRHPJanuary 28, 1993

The Fromberg Concrete Arch Bridge, in Fromberg, Montana, was built in 1914. It was listed on the National Register of Historic Places in 1993.[1] It carries River Street over the Clarks Fork Yellowstone River.[1]

It is a three-span concrete deck arch bridge designed by Carbon County, Montana, surveyor C. A. Gibson and was "quite advanced for the time": it has "flattened parabolic arches with a rise to span ratio of 1 to 7." At its completion it was the largest concrete bridge in the state.[2]

In 1993 it was the oldest multi-arch concrete bridge surviving in the state.[2]

See also

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References

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  1. ^ a b c "National Register Information System". National Register of Historic Places. National Park Service. November 2, 2013.
  2. ^ a b Johnson, Lon (August 1992). "National Register of Historic Places Registration: Fromberg Concrete Arch Bridge". National Park Service. Retrieved September 8, 2019. With accompanying three photos from 1992 and one from c. 1914
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