Dak * of 



service 



1850-? 



1851-? 



1K51 1S02 



Known Bollmafl Works 

 VI] B. & < ) uniL- listed were designed by Bollman and built by the railroad 



/ ypi 



Locatum 



Savage, Md., Little 

 Patuxenl River 



Bladensburg, Md., 

 \n.ii ostia River 



I larpers Ferr) . Va., 

 Potomac River 



length 

 I'. illm.ih through 1/76' 



truss 



Bollman through 1/? 



Bollman through 1/124' 

 miss 



1851- 



1852- 



Baltimore, Md., Carey [r< tl< 

 Street 



1852 (or 



1853)-? 



1853-? 



Savage, Md., LitUe 

 Patuxent River 



Marriotts! ille, Md., 

 Patapsco River 



Zanesville, ( >hio, Mus 

 kingum River 



Bollman through 



truss 



Bollman truss 



Bollman truss 



2/ ±80' 



1/50' 



4/124' (or 



5/160') 



1854 1870(?) Elysville (now Daniels), Bollman through 3/97'9" 



Md., Patapsco River truss 



1854 1862 Monocacy, Md., Bollman truss 3/119' 



Monocac^ River 



1854 ? 



1855-? 



Eastern < )hio 



Bollman lruss(?) 1/40' 



1/71' 



Bridgeville, Ohio. Salt Bollman deck 



Creek truss 



Pre-1855 ? Buffalo, N.Y. 



1856-? Elysville, Md., about Bollman through 3/111' 



1 ', miles east of 1854 truss 



bridge, Patapsco 



River 



i ha wise indii at< d. I 

 Remark \ 



Bollman tt Uss ei ., o , | . 



.23,825. 

 B. & O. RR. 



I Bollman mi-- erected; 



graniti tov 



B. & o. RR. 

 Winchester span: first major 



Bollman truss: three lines o| 

 truss: granite towers: blown 

 up by ( lonfederate At m\ on 

 September 24, 1862. B. & 

 O. RR. 



W I tresde bents with 



w rought-iron diagonals, First 

 use of iron structural mi tu- 

 bers in tresdework. Total 

 length 76 feet. B. & ( >. RR. 



Still standing. Mo\ ed to Sa\ - 



aye in 1888; original loca- 

 tion unknow n. rhis and 

 5U( l eeding Bollman trusses 

 use iron towers. B. & < ). RR. 



One of first Bollman trusses 

 with iron lowers. B. & O. 

 RR. 



Double track, ( lentral < >hio RR. 

 Designed b) Bollman; built 

 Ia Douglas, Smith . l 

 Zanes\ ille. 



I Fpper bridge, skew . Cost, 

 I U. >9. B. & < >. RR. 



Blown up September 8, 1862; 

 rebuilt in 1864. Cost, 

 $22,722.59. B. & O. RR. 



( i » RR. Section 76 adja- 

 cent to 300-ft. tunnel. 



CO. RR. 



Unidentified. Mentioned l>\ 

 (iconic Nose in Railroad Ad- 



'June 9, 1855). 



Lowe. Bridge. I?. & O. RR. 



I'AIM R in: I \t , 1\ I 1 K I\( , < I i\ I KIIU IHiNSn] WINDl I. IIUI.I.MAN 



99 



