Second Ave. Subway Has Us Digging Too–Through The Photo Archive

 

Broad Street Subway cars, 1927 | Photo: PhillyHistory.org

This weekend, the New York Times Magazine published an excellent story by Kim Tingley about the construction of the Second Avenue Subway, a line that has been in the works since 1927.

The piece is a must-read if you’ve ever been in a subway station and wondered how anyone ever got ambitious enough to build a space so huge, much less build it under the ground.

Richard Barnes’ photos of the machines digging out rock are particularly impressive. Like many other parents of small children, I spend a lot of time standing around watching giant construction vehicles dig and shovel and whatnot. The story got me wondering about Philadelphia’s subway system: what did it look like back in the 19th century when workers dug through bedrock to create the subway tunnels we use today?

Harry Kyriakodis wrote the following about the construction of the City Branch subway in a June Hidden City article: “The Reading Railroad completed the City Branch subway in the 1890s to eliminate traffic problems caused by tracks that crossed most of the city’s north-south streets at grade from the Schuylkill River to Broad Street. (There were too many accidents/fatalities of people getting struck by trains on Pennsylvania Avenue.) Over a million cubic yards of earth were excavated to create this sunken line, which is apparently the first subway project in downtown Philadelphia.”

A little archival digging yielded some retro construction photos:

Pipe over Pennsylvania Ave. Subway, 24th and Spring Garden | Photo: PhillyHistory.org and Philadelphia Water Department

Subways and underground waterways have to be carefully coordinated, Above, in 1898, workers laid a pipe over the Pennsylvania Ave. subway tunnel at 24th and Spring Garden St.

Southeast corner of Market Street and 23rd Street, 1903 | Photo: PhillyHistory.org

See the “hot lunch” sign behind the street urchins? I like to imagine those guys are running the 1903 version of Wawa.

10th and Market Street, 1907 | Photo: PhillyHistory.org

This is the view looking East at Market and 10th in 1907. Subway construction equipment is to the side of the street. Note the street cars and trolley tracks: electric cable cars replaced horse-drawn street cars in Philadelphia in 1897.

Photo: PhillyHistory.org

This photo from 1915 shows workers excavating for the runway and South shaft of the City Hall Station on the Broad Street Subway line.

Subway construction in City Hall courtyard, 1915 | Photo: PhillyHistory.org

The City Hall stop required some construction above ground too. In 1915, the City Hall courtyard was taken over by subway-building equipment.

The subway began with a bunch of guys digging holes in 1890s, and today it runs on a computerized nerve center that Steve Weinik photographed in April.

Progress is humbling.

Photo: PhillyHistory.org

About the author

Hidden City Daily contributing editor Meredith Broussard has written for Harper's, The Washington Post, The San Francisco Chronicle, Slate.com, The Chicago Reader, The Philadelphia City Paper, and Philadelphia magazine. A former features editor at the Philadelphia Inquirer, she teaches creative writing at the University of Pennsylvania. Meredith holds a BA from Harvard University and an MFA from Columbia University. Visit her website at meredithbroussard.com.



1 Comment


  1. Philadelphia subway engineers have just completed what is conceded to be the largest underpinning operation in the history of the world. Since the cost of building a 700-foot station in connection with this work has been almost $3,000,000—or between $21,000,000 and $22,000,000 a mile—it is probably also the most expensive piece of subway construction existing.
    Briefly, the tremendous weight of one hundred thousand tons, one quarter the total mass of the Philadelphia City Hall, was shifted twice with an average settlement of but one quarter of an inch. This great pile was transferred first from its original defective rubble foundations to new foundations of concrete and brick. Subsequently the rebuilt foundations were incorporated in and supported by the subway roof, which, in turn, was supported by concrete walls carried to rock by steel piles.
    –From William A. McGarry, “A Giant Job of Underpinning: Building a Subway Beneath Philadelphia’s City Hall, with Its Inadequate Foundations,” Scientific American (February 12, 1921), at 124-127.

    The work done back then still stands, though City Hall station of the Broad Street Subway is rather cramped, with all too many massive (but very necessary) walls in the way… Additional tunneling work was done in the 1930s when the Market Street Subway was finally run straight under City Hall. There are also several concourses connecting the separate subways. Together, all this engineering work was done so well that trains traveling at high speed crossways beneath the building cause no appreciable vibration in the structure itself.

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