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Commercial Street Bridge, Spanning Purgatoire River on Commercial Street, Trinidad, Las Animas County, CO

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Summary

Significance: After the turn of the century, the preferred alternative to the steel truss for short-span vehicular bridges was generally considered to the concrete arch. More solid under traffic and better resistant to flooding, it was also valued as more aesthetically refined than the starkly functional truss. This bridge is a direct representation of that trend in Colorado. It is associated with two pivotal figures in bridge technology, James March and Daniel Luten, and is the only bridge in Colorado known to have been built by Marsh's company. A regionally important crossing of the Purgatoire River, it is one of Colorado's most technologically significant spans.

Survey number: HAER CO-53

Building/structure dates: 1905 Initial Construction

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concrete arch bridges bridge construction civil engineering transportation economic development patents vehicular bridges colorado commercial bridge commercial street bridge purgatoire purgatoire river commercial street trinidad las animas las animas county historic american engineering record daniel luten marsh bridge company james barney marsh photo ultra high resolution high resolution library of congress
date_range

Date

1969 - 1980
person

Contributors

Historic American Engineering Record, creator
Marsh Bridge Company
Marsh, James
Luten, Daniel
place

Location

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Source

Library of Congress
link

Link

http://www.loc.gov/
copyright

Copyright info

No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html

label_outline Explore Commercial Street Bridge, Marsh Bridge Company, Purgatoire

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concrete arch bridges bridge construction civil engineering transportation economic development patents vehicular bridges colorado commercial bridge commercial street bridge purgatoire purgatoire river commercial street trinidad las animas las animas county historic american engineering record daniel luten marsh bridge company james barney marsh photo ultra high resolution high resolution library of congress