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

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SECTIONSIXResults of Field Investigationsnear one of the stone foundations of a predecessor bridge. This replacement bridge is one of onlytwo such bridges using this girder system built in Garrett County during the 1948-1960 period,and only one of four such bridges built during this period in Maryland.National Register of Historic Places Eligibility:The Swallow Falls Road Bridge (MIHP # G-IV-A-290, Bridge G-02000) is eligible for listing inthe National Register under Criterion A on the local level with the period of significance being1960. The bridge is associated with the historical development of the Swallow Falls communityafter the 1930s. The Swallow Falls area grew in popularity as a vacation destination with theimprovements made to Swallow Falls and Herington Manor State Parks in the 1930s. Increasedautomobile traffic between US 219 and the two state parks necessitated the building of thepresent Swallow Falls Road Bridge in 1960. The bridge serves as the eastern entrance toSwallow Falls State Park, which annually accommodates over 200,000 visitors.The Swallow Falls Road Bridge is not National Register-eligible under Criterion B, as it is notassociated with an individual significant on the local, state, or national level.The Swallow Falls Road Bridge is National Register-eligible under Criterion C on the local levelwith a period of significance of 1960. The present Swallow Falls Road Bridge, built in 1960, is asteel girder bridge with floor deck system and was erected near one of the stone foundations of a19th-century bridge. This replacement bridge is one of only two such bridges using this girdersystem built in Garrett County during the 1948-1960 period, and only one of four such bridgesbuilt during this period in Maryland. In addition, the RCCP columns that make up the centralpier are not seen on any other bridge in Garrett County. The Swallow Falls Road Bridge retainsvirtually all of the character-defining elements of its superstructure and substructure intact. It hasretained its integrity of location, design, association, setting, materials, and feeling. Alterations toits original railings have diminished the bridge‘s integrity of workmanship.National Register-eligibility under Criterion D was not investigated as part of this study.\15-SEP-11\\ 7-26
SECTIONSIXResults of Field InvestigationsBridge #: H-01300Bridge Name: Hookers Mill Bridge over Bynum Run (MIHP# HA-2045)County: HarfordDate of Construction: 1957Bridge Type: Prestressed Concrete Box GirderNRHP Eligibility/ Criterion: Criterion A and Criterion CSummary Description:Bridge No. H-01300 is a two-span prestressed concrete box girder bridge built in 1957. It carriesHookers Mill Road over Bynum Run in Harford County, north of Edgewood, a suburbanresidential area. The bridge runs northwest-southeast along the length of Hookers Mill Roadthrough the Bynum Run Conservation Area. There are two reinforced concrete abutments at eachend of the bridge, and the outer wing wall of each abutment is six feet long. At the center of thebridge, a rectangular reinforced concrete pier, each end of which is pointed and has a steel bullnose, supports the two spans. The box girder spans each consist of a series of nine pre-stressedconcrete box girders that form a 28'-2" foot wide deck that accommodates a two-lane asphaltroad about two inches thick. The overall clear span of the bridge is 84 feet, with each of the twospans being 42 feet in length, while the overall length of the bridge including abutments andwing walls is about 100 feet.Statement of Significance:The Hookers Mill Road Bridge over Bynum Run (MIHP # HA-2045, Bridge H-01300) inHarford County was built in 1957 at the site of an earlier covered bridge that burned in 1955.With the development of roadways in the eighteenth century, mills began to spring up on almostevery usable stream. Hookers Mill and the Hookers Mill Bridge were constructed ca. 1860 byAquila Hall. The present Hookers Mill Bridge is a two span prestressed concrete box girderbridge which is supported by a rectangular reinforced concrete pier that is pointed at each end\15-SEP-11\\ 7-27
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F I N A L R E P O R THISTORIC CONTE
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ERRATAURS completed this report in
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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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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
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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