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Roanoke Station Bridge

Huntington County Bridge 113

   


Roanoke Station Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: April 2, 2006
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Key Facts

Facility Carried / Feature Intersected
Station Road Over Little Wabash River
Location
Roanoke Station: Huntington County, Indiana
Construction Date and Builder / Engineer
1915 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
1988
Main Span Length
137.8 Feet (42 Meters)
Structure Length
139.8 Feet (42.6 Meters)
Roadway Width
16.7 Feet (5.1 Meters)
Spans
1 Main Span(s)
NBI Number
3500074

Historic Significance Rating (HSR)

Bridge Documentation

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

This is an eight panel Parker through truss with riveted connections. The traditionally composed bridge features lattice under the top chord and v-lacing on vertical members. Portal bracing is an a-frame design. Jones and Laughlin steel brands are visible on the structure. The deck is corrugated steel with asphalt on top. Original lattice railings have been removed from the bridge since the DHPA Historic Bridge Survey and have been replaced with modern Armco guardrails. These minor modifications are overshadowed by the beauty of the arched shape produced by the polygonal top chord.  While the county has two other Parker trusses, each is different and unique in appearance. Parker trusses are also quite rare in other places, such as Michigan, or the rest of this region in Indiana, and so the regional significance of such bridges must be considered.

Following a visit to this bridge in 2006, Huntington County did show a commitment to maintenance of this bridge by repainting the lower portion of the truss, which is where rust first forms on a paint system due to it being in the splash zone from cars spaying moisture and salt on the bridge. This repainting project is not represented in the photos of this bridge currently available here.

Information and Findings From DHPA Historic Bridge Survey

Statement of Significance

This Camelback of standard pattern retains its original members, including the latticed guardrails.

Architectural Description

Seated upon its concrete abutments and wingwalls, this all-riveted Camelback through spans 138' in eight panels with verticals made from a single size of laced channels. All diagonals are angles riveted to stay plates; angles are doubled for lower chord members. Diagonals counter one another in the two panels of the center section; they angle from the top chord toward midspan at the bottom in each panel of the two panel side sections. I floor beams riveted to gussets below the lower chord support an asphalt-over-concrete deck with a 17'6" roadway and 14' of vertical clearance.

Bridge Considered Historic By Survey: Yes

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