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Manhattan Rail Bridge

Quadrangular Through Truss Bridge over Big Blue River
Manhattan, Pottawatomie County, Kansas

Click the Photo Above to See All Photos of This Bridge!
Name Manhattan Rail Bridge
Built By Union Pacific Railroad
Contractor Unknown
Currently Owned By Union Pacific Railroad
Length 455 Feet Total, 150 Foot Spans
Width 1 Track
Height Above Ground 15 Feet (Estimated)
Superstructure Type Quadrangular Through Truss
Substructure Type Concrete
Date Built 1903, Relocated 1910
Traffic Count 3 Trains/Day (Estimated)
Current Status In Use
UP Bridge Number 117.61
Significance Regional Significance
Documentation Date March 2017


This large bridge crosses the Big Blue River near its mouth at the Smoky Hill River, where it forms the Kansas River.
Comprised of three main spans, it was originally set further west containing two spans. When the river created a new channel in 1908, the bridge was moved to its current location.
In addition, a third span was used. It is unknown where this third span may have come from, or if it was built new.
The bridge features a trip of riveted Quadrangular Through Trusses. This design of truss is relatively rare in Kansas and Missouri.

Historic Photo
Historic photo of the bridge

Fortunately, the bridge has had little alteration since construction. The one alteration is the replacement of the original portal bracings to be able to accommodate larger trains.
The bridge rests on concrete substructures, setting it apart from many other spans used in this area.
Despite the historical integrity of the bridge, no builders plaques are evident.
The bridge remains in great condition and is well maintained, although is not part of the busiest mainline across Kansas.

The author has ranked this bridge as being regionally significant, due to the low number of Quadrangular Trusses in the region.
The photo above is an overview. The bridge can be accessed from a parallel road.

Big Blue River Railroad Bridges
Upstream BRR Big Blue River Bridge
Downstream Mouth at Kansas River

Citations

Source Type

Source

Build Date Union Pacific Railroad 1903 Annual Report
Relocation Date Historic Newspapers
Railroad Line History Source ICC Valuation Information, Compiled by Richard S. Steele