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CR-250 South Bridge

Decatur County Bridge 118

CR-250 South Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: September 22, 2012

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Facility Carried / Feature Intersected
CR-250 South Over Muddy Fork of Sand Creek
Location
Rural: Decatur County, Indiana: United States
Structure Type
Stone Segmental Deck Arch, Fixed
Construction Date and Builder / Engineer
By Builder/Contractor: Unknown
Rehabilitation Date
Not Available or Not Applicable
Main Span Length
20.3 Feet (6.2 Meters)
Structure Length
63.0 Feet (19.2 Meters)
Roadway Width
16.4 Feet (5 Meters)
Spans
3 Main Span(s)
Inventory Number
1600096

Historic Significance Rating (HSR)
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Bridge Documentation

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

This bridge is largely unaltered, something that cannot be said for all of the many stone arch bridges in this area. Its multi-span configuration, along with a center span that is a foot longer with a two foot higher rise, gives the bridge an attractive, appearance that is varied yet symmetrical. Historic bridge survey research found information that indicated that one of three bridges over Sand Creek dates to 1872. If it turned out to be this one, this bridge would be among the older of the stone arch bridges in this area, since a fair number date to as late as the early 20th Century. The generic 1890 date in the National Bridge Inventory is used for a bunch of the stone arch bridges in this area and is almost certainly incorrect.

Information and Findings From DHPA Historic Bridge Survey

Statement of Significance

Although all three arches are segmental, the central one comes close to being a semicircular one. The bridge's design, therefore, moved cautiously away from the standard. Very few of Decatur County's segmental arches are multispan.

Architectural Description

Local craftsmen built most of Indiana's stone arches from regional materials just before or in the first fifteen years of the twentieth century. Most stonemasons preferred full-centered or semicircular arches in which the line of pressure passes through the center of each stone in the arch ring until carried vertically into the substructure. In some cases, though, masons erected segmental arches in which the intrados is less than half a circle. To function successfully, segmental arches require the substructure to accommodate some horizontal as well as some vertical pressure.

Most of the state's stone arches span streams in south-central counties. Decatur County built and retains the largest number of which less than a third are segmental. By World War I, the growing popularity of concrete, which engineers could readily adjust to the special needs of each specific bridge site, quietly ended stone arch construction in the region.

This limestone, three-span structure is 70' long and carries a 15'6" asphalt roadway between stone walls. The arch rings are segmental, and their stones are roughly-cut and mortared. Springing from near the water level, the outer arches rise about 7' over a span of 18' and the central one rises nearly 9' for the 19' span. The bridge has stone footings, abutments, and wingwalls.

Other Information

In March 1872, the Decatur board appropriated $500 as a contribution to the Sand Creek Turnpike Company to aid in "constructing a bridge across Sand Creek on their road." The appropriation could have applied to #114, #118, or #190.

Bridge Considered Historic By Survey: Yes

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Maps and Links: CR-250 South Bridge

Coordinates (Latitude, Longitude):

Search For Additional Bridge Listings:

Bridgehunter.com: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

Bridgehunter.com: View listed bridges within 10 miles (16 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

HistoricBridges.org Bridge Browser: View listed bridges within 10 miles (16 kilometers) of this bridge.

2021 National Bridge Inventory: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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