Alfred P. Boller

{{Short description|American civil engineer and bridge designer}}

{{Use mdy dates|date=November 2020}}

{{Infobox architect

|name=Alfred P. Boller

|image = Alfred Pancoast Boller (1840–1912).png

|caption=

|nationality=American

|birth_date={{Birth date|1840|2|23}}

|birth_place=Philadelphia, Pennsylvania

|death_date={{Death date and age|1912|12|9|1840|2|23}}

|death_place=East Orange, New Jersey

|practice=

|significant_projects=Third Market Street Bridge
Madison Avenue Bridge
145th Street Bridge
Macombs Dam Bridge
Putnam Bridge
University Heights Bridge

|significant_buildings=

|awards=

|signature = Signature of Alfred Pancoast Boller.png

}}

Alfred Pancoast Boller (February 23, 1840 – December 9, 1912)Universal Cyclopædia & Atlas, 1902, New York, D. Appleton & Co.{{cite news |title=Alfred P. Boller Dies; Ex-Chief Engineer of Manhattan Elevated Railroad Was 72 Years Old |url=https://www.newspapers.com/clip/39032163/obituary-for-alfred-p-boller/ |newspaper=The New York Times |date=December 11, 1912 |page=13 |accessdate=2021-12-31 |via=Newspapers.com}} was a civil engineer and bridge designer. He was the chief engineer on several bridge building projects during the late 1800 and early 1900s. Born in Philadelphia, Pennsylvania in the United States, Boller graduated from the University of Pennsylvania in Philadelphia and from Rensselaer Polytechnic Institute in Troy, New York. He co-founded an engineering company, Boller & Hodge, along with Henry Wilson Hodge that was based in New York City.{{cite book |title=Proceedings of the American Society of Civil Engineers, Volume 46, Part 1 |date=1920 |publisher=American Society of Civil Engineering |pages=701–705 |url=https://books.google.com/books?id=FgFFAQAAMAAJ&pg=RA2-PA701 |access-date=4 April 2022}} Boller designed the third Market Street Bridge in Williamsport, Pennsylvania, several swing bridges over the Harlem River in New York City and the Connecticut River Bridge in Connecticut. He was also the chief engineer of Manhattan's elevated railroads.{{cite web | url = http://www.past-inc.org/historic-bridges/Design-right.html | title = Connecticut's Historic Highway Bridges | accessdate = 2007-11-25 | publisher = Connecticut Department of Transportation | archiveurl = https://web.archive.org/web/20071217193337/http://www.past-inc.org/historic-bridges/Design-right.html | archivedate = 17 December 2007 | url-status = dead }}{{cite web | url = http://www.nycroads.com/crossings/university-heights/| title = University Heights Bridge: Historic Overview | accessdate = 2007-11-25 | publisher = Eastern Roads| archiveurl= https://web.archive.org/web/20071222130200/http://www.nycroads.com/crossings/university-heights/| archivedate= 22 December 2007 | url-status= live}}