Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:bridge
|
| gptkbp:carries |
pedestrian traffic
rail traffic carriage traffic |
| gptkbp:closed |
1897
|
| gptkbp:connects |
gptkb:Niagara_Falls,_Ontario
gptkb:Niagara_Falls,_New_York |
| gptkbp:crosses |
gptkb:Niagara_Gorge
|
| gptkbp:demolished |
1897
|
| gptkbp:designer |
gptkb:John_A._Roebling
|
| gptkbp:historicalSignificance |
engineering milestone
|
| https://www.w3.org/2000/01/rdf-schema#label |
Niagara Suspension Bridge
|
| gptkbp:length |
821 feet
|
| gptkbp:location |
gptkb:Niagara_River
border of United States and Canada |
| gptkbp:material |
iron
wood |
| gptkbp:notableFor |
first working railway suspension bridge
|
| gptkbp:numberOfSpans |
821 feet
|
| gptkbp:opened |
1855
|
| gptkbp:replacedBy |
gptkb:Whirlpool_Rapids_Bridge
|
| gptkbp:bfsParent |
gptkb:Casimir_Stanislaus_Gzowski
|
| gptkbp:bfsLayer |
7
|