1869- Baltimore, Md., Warren 2/100' North Avenue Bridge. c.1892 over Jones Falls, truss 2/55'6" Composite double B. & O. RR., and intersection truss; Northern Central timber top chord and RR. posts, wrought-iron lower chord and ties. In 55-ft. spans, both chords timber. Cost, $73,588. Built by Bollman. c.1869- Harpers Ferry, Va., Bollman 4/? Canal span (no. 8), Wide 1936 Potomac River through span (no. 2), Winchester truss span, and West End span. Destroyed by flood in 1936. B. & O. RR. 1870- Baltimore, Md., Iron 1/108' Charles Street Bridge. c.1895 Jones Falls "Isometrical Three lines of trussing. truss" Cost, $20,297. Built by (probably Bollman. Pratt type) 1870- Bellaire, Ohio- Bollman 9/107'- In approaches; 2 spans on 1893 & Benwood W. Va., deck 125' Ohio side; 7 on West 1900 Ohio River truss Virginia side. B. & O. RR. 1870- Belpre, Ohio- Bollman 16/? In approaches; 7 spans on c.1895 Parkersburg, W. deck Ohio side; 9 on West Va., Ohio River truss Virginia side. B. & O. RR. 1870-? Elysville, Md., Bollman 4/? Skew; replacement of Patapsco River through Upper Bridge(?). B. & O. truss RR. 1871- Baltimore, Md., Timber ? Decker Street (now c.1895 Jones Falls and iron Maryland Avenue) Bridge. truss Cost, $24,975. Built by Bollman. 1871- Baltimore, Md., Warren 1/100' North Avenue Bridge. c.1892 over Northern truss Composite double Central RR. at intersection truss; Jones Falls cast-iron top chord and posts; wrought-iron bottom chord and ties. West span. Built by Bollman.