historic context of maryland highway bridges built between 1948 ...

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SECTIONSIXResults of Field InvestigationsBridge #: 0336500Bridge Name: MD 157 Bridge over Bear Creek (MIHP# BA-2713)County: BaltimoreDate of Construction: 1960Bridge Type: Double Leaf Bascule TrunnionNRHP Eligibility/ Criterion: Not EligibleSummary Description:The MD 157 Bridge over Bear Creek, also known as the Cort Memorial Bridge, (MIHP BA-2713, Bridge 0336500) is a double leaf bascule trunnion bridge, built in 1960 and rehabilitatedin 1999, that carries MD 157 (the Peninsula Expressway) over Bear Creek. The bridge runsnorthwest-southeast and carries four lanes of vehicular traffic, two in each direction. The bridgespans Bear Creek with a vertical clearance of almost 25 feet in the boat channel. The bridge iscomposed of 16 spans and measures almost 1,348 feet in length between bearings at theabutments. The overall width of the structure is nearly 50 feet with four-foot sidewalks. Thesubstructure is composed of nine visible piers east of the bascule span. The approach spans ofthe bridge have prestressed concrete girders and a reinforced concrete deck. The spans flankingthe bascule span have seven new steel interior rolled beams and the original riveted steel plategirders at each fascia. The bascule span is a double-leaf trunnion with an open concrete deck. Itconsists of riveted built-up steel plate fascia bascule girders with a steel rolled beam stringer andfloor-beam system. The two story control house for the bridge, composed of pre-cast concretepanels, is located on the northwest pier of the bascule span. A concrete parapet with a two-barguardrail is located on the approach spans. The bascule span has a metal railing topped with atwo-bar guardrail.Statement of Significance:The MD 157 Bridge over Bear Creek, also known as the Cort Memorial Bridge, (MIHP BA-2713, Bridge 0336500) was constructed in 1960, east of the communities of Dundalk andInverness, in Baltimore County. The bridge was constructed as a part of the development of the\15-SEP-11\\ 7-10
SECTIONSIXResults of Field InvestigationsPeninsula Expressway which connects the Dundalk area and Southeast Baltimore with I-695,the Baltimore Beltway. The MD 157 Bridge over Bear Creek is a sixteen span movable doubleleaf bascule bridge running northwest to southeast across Bear Creek. This bridge is one ofthree examples of this type constructed in Maryland from 1948 to 1960 and one of twoexamples of its type constructed in Baltimore County. The bridge was significantly altered in1999.National Register of Historic Places Eligibility:The MD 157 Bridge over Bear Creek, also known as the Cort Memorial Bridge, (MIHP BA-2713, Bridge 0336500) is not eligible for listing in the National Register under Criterion A.While the bridge is associated with post-World War II roadway improvements on the NorthPoint peninsula it does not retain sufficient integrity to convey its period of significance. Thebridge has lost its integrity of design, materials, workmanship, and feeling due to the 1999rehabilitation of the bridge which included the complete replacement of twelve piers and theremoval of four piers, reducing the total number of spans to sixteen. The original light fixtures,railings, and signage were also changed in order to meet 1999 state highway standards.The Wise Avenue over Bear Creek Bridge is not National Register-eligible under Criterion B, asit is not associated with an individual significant on the local, state, or national level.The Wise Avenue over Bear Creek Bridge is not National Register-eligible under Criterion C, asit is not an intact example of its typology in Baltimore County or Maryland. The bridge wasbuilt by the Wilson T. Ballard Company, which was known for the comprehensive planning anddesign of highways and bridges for the Maryland State Roads Commission during this period.However, this bridge does not retain sufficient integrity to convey its period of significance.Both the substructure and the superstructure of the bridge have been replaced and four of thespans removed during the 1999 rehabilitation. At that time, the original light fixtures, railings,and signage were also changed in order to meet 1999 state highway standards.National Register-eligibility under Criterion D was not investigated as part of this study.\15-SEP-11\\ 7-11
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F I N A L R E P O R THISTORIC CONTE
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Page 10 and 11: Table of ContentsConclusion and Rec
Page 12 and 13: SECTIONONEIntroductionTwenty one br
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Page 18 and 19: SECTIONTHREEHistoric Context1960 on
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Page 36 and 37: SECTIONFOURPost World War II Techno
Page 42 and 43: SECTIONFIVEConsulting Engineers and
Page 48 and 49: SECTIONSIXResults of Field Investig
Page 96 and 97: SECTIONSEVENConclusion and Recommen
Page 98 and 99: SECTIONEIGHTReferences CitedCorddry
Page 100 and 101: SECTIONEIGHTReferences CitedKaszyns
Page 102 and 103: SECTIONEIGHTReferences CitedSeely,
Page 104 and 105: Appendix A1948-1960 Maryland Bridge
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Appendix BMaryland Bridges By Type
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Appendix CResumes of Key Personnel\
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Appendix DNotes From August 25, 200
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Appendix DNotes From August 25, 200
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