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Dicks Bridge

Imhoff Road Bridge

Dicks Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: July 3, 2009

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Facility Carried / Feature Intersected
Imhoff Road Over Lamine River
Rural: Cooper County, Missouri: United States
Structure Type
Metal 8 Panel Pin-Connected Parker Through Truss, Fixed and Approach Spans: Metal Pin-Connected Queenpost Pony Truss, Fixed
Construction Date and Builder / Engineer
1908 By Builder/Contractor: Kansas City Bridge Company of Kansas City, Missouri
Rehabilitation Date
Not Available or Not Applicable
Main Span Length
160.0 Feet (48.8 Meters)
Structure Length
390.0 Feet (118.9 Meters)
Roadway Width
14.1 Feet (4.3 Meters)
2 Main Span(s) and 3 Approach Span(s)
Inventory Number

Historic Significance Rating (HSR)
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Bridge Documentation

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

This bridge is an extremely significant structure as a large, multi-span pin-connected truss bridge built by a noted regional bridge builder. It contains two impressive Parker truss main spans. This bridge also contains three approach spans. At the eastern end of the bridge, there are two girder and floorbeam (deck plate girder) spans. They are small spans and the girders are rolled beams. At the western end of the bridge there is something extremely rare and noteworthy, a Queenpost truss.

The bridge retains excellent historic integrity including original lattice railings, wooden deck, and an unaltered truss structure. The truss bridge includes caisson piers.

There used to be many more truss bridges like this one in Missouri, but they have mostly been demolished. While a few others do still remain, the number surviving is extremely small. Among the surviving examples, this bridge stands out as a long example with excellent historic integrity. Whether it is preserved for continued use or bypassed by a modern bridge, this bridge must not be destroyed.

Matt Kuehnert contacted HistoricBridges.org and provided some insight in the bridge's name. His great grandfather was Frederick Dick who owned a farm near Boonville. His father was Peter Dick, who owned nearby Dick's Mill with his brother Adolph after the civil war.

Above: Historical photo of bridge, courtesy Matt Kuehnert

Information and Findings From Missouri's Historic Bridge Inventory

Bridge Features

Superstructure: steel, 8-panel, pin-connected Parker through trusses; one 50-foot, 3-panel, pin-connected Pratt pony truss approach span at west end and three steel stringer approach spans at east end Substructure: concrete abutments and wingwalls with concrete-filled steel cylinder piers
Floor/decking: timber deck over steel stringers
Other features: upper chord and inclined end post: two channels with cover plate and lacing; lower chord: two punched rectangular eyebars; vertical: two channels with lacing; diagonal: two looped rectangular eyebars; counter: square eyebar with turnbuckle; lateral bracing: round rod with threaded ends; strut: two angles, braced; portal strut: two angles, latticed; floor beam: I-beam, field-bolted to verticals; endpost stiffener: two angles with batten plates; guardrail: lattice; builder's plate text on pony truss: built by / A.M. Blodgett, C. E. / Kansas City, MO; county portal plate: 1908 on through truss endpost

Discussion of Bridge

In May 1907, the Cooper County Court conditionally announced that it would rebuild the Dicks Bridge if the local citizenry would pay for one-half its estimated cost. Located over the Lamine River some three miles southeast of Blackwater, the existing structure here had deteriorated beyond the point of repair. County road and bridge commissioner, E.T. Hale, presented the following month his estimate of $6000.00 to construct the Dicks Bridge. He noted that the previous bridge's masonry abutments and steel cylinder piers were largely salvageable, but would need to be elevated approximately four feet. Competitive bids for the reconstruction project were received on August 5, 1907. The Kansas City Bridge Company of Missouri, a prominent contractor in Cooper County, was awarded the contract for this and other structures, totaling $49,600.00. To the discouragement of the county court, local citizens eventually only met a fraction of this amount. The contract for improving the existing abutments was awarded in November to Charles Hutchinson for $5.75 per cubic yard. Hutchinson also handled the re-erection of several piers which had collapsed or were missing. Completed in early May the next year, the Dicks Bridge, a pin-connected Parker through truss, continues to retain a strong degree of visual integrity. As one of Missouri's most prolific bridge fabricators, the Kansas City Bridge Company maintained an extensive catalogue of truss types, ranging from the exotic to the commonplace. KCBCo, like most of the region's bridge builders of the time, relied heavily on pin-connected Pratt truss variants for its standard truss types. After the turn of the century, however, KCBCo began fabricating polygonal-chorded Pratt variants (particularly Parkers) for long-span applications. Their relatively long spans, light structural members and archaic detailing have rendered pin-connected Parker trusses particularly vulnerable to subsequent replacement. As a result, of the hundreds that once carried vehicular traffic throughout the state, fewer than three dozen remain in place today. These range in span length from 110 feet to 200 feet and in erection date from 1900 to 1932. The Dicks Bridge, with its 160-foot span and 1908 construction date, falls within the mainstream of this trend. It is noteworthy for its excellent state of preservation and its two-span configuration.

Bridge Considered Historic By Survey: Yes

View Original PDF Historic Bridge Inventory Sheet


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Maps and Links: Dicks Bridge

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

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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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