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

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SECTIONSIXResults of Field Investigationsbridge is a steel girder structure, as were most of the other bridges built by the state as part of itsat-grade elimination program. It has undergone no notable alterations since its construction andretains its integrity.National Register of Historic Places Eligibility:The US 13 Northbound Bridge over the CSX Railroad tracks is recommended eligible forNational Register of Historic Places listing under National Register Criteria A and C. It has notbeen altered beyond the standard actions necessary to maintain a busy highway bridge andretains all seven National Register elements of integrity. The bridge is eligible under Criterion Afor its association with two significant mid-twentieth-century trends in Maryland‘s history—themodernization by the State Roads Commission of the principal roads on the Eastern Shore ofMaryland in response to heavy post-World War II-era traffic demands and the state‘s program ofeliminating dangerous at-grade railroad crossings during the period. The bridge‘s eligibilityunder this Criterion is local with a period of significance of 1957.The US 13 Northbound Bridge over the CSX Railroad tracks is not National Register-eligibleunder Criterion B, as it is not associated with an individual significant on the local, state, ornational level.This bridge is eligible under Criterion C at the local level, with a period of significance of 1957.It retains sufficient integrity to represent a common bridge type—the steel girder—that issupported by fluted Monotube pile bents. The principal character-defining elements of itssuperstructure (rolled I-beams) and of its substructure (abutments and concrete piers) are intact.National Register-eligibility under Criterion D was not investigated as part of this study.\15-SEP-11\\ 7-42
SECTIONSIXResults of Field InvestigationsBridge #: 1901201Bridge Name: US 13 Northbound Bridge over the Manokin River (MIHP# S-513)County: SomersetDate of Construction: 1958; 1980Bridge Type: Steel BeamNRHP Eligibility/ Criterion: Not EligibleSummary Description:Bridge No. 1901201 is a steel beam bridge, constructed in 1958, that carries US 13 Northboundover the Manokin River in Somerset County. The bridge runs northwest-southeast and carriestwo lanes of vehicular traffic. The bridge is approximately 43 feet wide and has two 40-footspans. The substructure of the bridge is composed of one large, centrally located pier. The pier isa Monotube pile bent consisting of 11 concrete-filled steel, fluted columns atop a concrete base.Eleven steel beams run the length of the bridge to support the concrete deck. The lower portionsof the abutments at each end of the structure appear to be composed of older concrete. Theupper portion of each abutment is composed of new concrete. According to a 2001 inspectionreport, the superstructure of the bridge was built in 1980. The bridge's concrete deck appears todate to this era. Metal joint plates are located at each end of the bridge. The parapet appears todate to 1980. The parapet is composed of a concrete base topped by a modern two-bar metal rail.The dates "1958" and "1980" are inscribed in the concrete parapet at the southeast corner of thebridge.Statement of Significance:The US 13 Northbound Bridge over the Manokin River (MIHP # S-513, Bridge 1901201) waserected in 1958 over the Manokin River at what is now the northern edge of Princess Anne inSomerset County. Built as part of the development of US 13 on Maryland‘s Eastern Shore, thehighway was dualized and, in places, rerouted in order to address rapidly increasing trafficdemands in the 1950s. The rerouting included the construction of a bypass around Princess\15-SEP-11\\ 7-43
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F I N A L R E P O R THISTORIC CONTE
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Executive SummaryHA-2046PG:68-100PG
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Table of ContentsConclusion and Rec
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SECTIONONEIntroductionTwenty one br
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3. Section 1 ONE Methodolog ySECTIO
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SECTIONTWOMethodologyNineteen highw
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SECTIONTHREEHistoric Context1960 on
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SECTIONTHREEHistoric Contextcovered
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SECTIONFOURPost World War II Techno
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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
Page 106 and 107: Appendix BMaryland Bridges By Type
Page 108 and 109: Appendix CResumes of Key Personnel\
Page 110 and 111: Appendix DNotes From August 25, 200
Page 112: Appendix DNotes From August 25, 200
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