Bollman Truss Railroad Bridge

URI: https://gptkb.org/entity/Bollman_Truss_Railroad_Bridge
GPTKB entity
Statements (34)
Predicate Object
gptkbp:instanceOf gptkb:bridge
gptkbp:addedToNationalRegisterOfHistoricPlaces 1966
gptkbp:builtYear 1852
gptkbp:category National Historic Landmarks in Maryland
Pedestrian bridges in Maryland
Railroad bridges in Maryland
gptkbp:crosses gptkb:Little_Patuxent_River
gptkbp:currentUse gptkb:bridge
gptkbp:designer gptkb:Wendel_Bollman
gptkbp:engineer gptkb:Wendel_Bollman
gptkbp:historicalName National Historic Landmark
https://www.w3.org/2000/01/rdf-schema#label Bollman Truss Railroad Bridge
gptkbp:length 160 feet
gptkbp:location gptkb:Savage,_Maryland,_USA
gptkbp:material wrought iron
cast iron
gptkbp:movedTo gptkb:Savage,_Maryland
originally at Relay, Maryland
gptkbp:namedAfter gptkb:Wendel_Bollman
gptkbp:NRHPReferenceNumber 66000392
gptkbp:numberOfSpans 1
gptkbp:owner gptkb:Howard_County,_Maryland
gptkbp:purpose gptkb:bridge
gptkbp:restored 1978
2000
gptkbp:servedRailroads gptkb:Baltimore_and_Ohio_Railroad
gptkbp:significance first successful all-metal bridge design used on a railroad
oldest surviving iron railroad bridge in the United States
gptkbp:structureType gptkb:Bollman_truss
gptkbp:type through truss
gptkbp:width 26 feet
gptkbp:bfsParent gptkb:Savage,_Maryland
gptkb:John_Edwin_Greiner
gptkbp:bfsLayer 7