Photo gallery: Big Boy on the Alton Route trains.com
Open StoryPublic Research
Chicago and Alton Railway Bridge
built 1906 and with current city data crediting Page & Schnable, Patentee, Designated as a Chicago landmark on December 12, 2007. it becomes easier to follow movement infrastructure, corridor planning, and later change at Chicago and Alton Railway Bridge.
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Quick Take
- Official status: Chicago individual landmark.
- Address: S Fork of S Branch, N of Archer & E of Ashland.
- Built: 1906.
- Architect: Page & Schnable, Patentee.
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Why It Matters
Chicago and Alton Railway Bridge keeps movement infrastructure, corridor planning, and how the city organized circulation grounded in one address and one building.
That is what gives later archival and field work somewhere concrete to begin.
Field Network
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Research Narrative
Landmark Context
Chicago and Alton Railway Bridge is held in public view at S Fork of S Branch, N of Archer & E of Ashland by the city's landmark record. The current city data lists it as dating to a construction date of 1906 and credits Page & Schnable, Patentee. It was designated on December 12, 2007. Chicago and Alton Railway Bridge turns into a workable research subject once movement infrastructure, corridor planning, and how the city organized circulation are kept in view together.
Chicago and Alton Railway Bridge gains definition in the field when attention concentrates on span, alignment, or platform relationships, connections to adjoining streets, rail lines, or water, and later mechanical change or deferred maintenance. That kind of fieldwork helps clarify how circulation systems stay visible in structure, alignment, and surrounding land use.
Research Starting Points
Chicago and Alton Railway Bridge usually reveals its next layer in engineering records and planning reports, historic maps and photographs, and newspaper coverage of openings, upgrades, and closures. That source trail can connect landmark status to ownership, alteration, and the changing role of the site in its block or corridor.
Chicago and Alton Railway Bridge becomes clearer when later research stays attached to the building instead of drifting into abstraction.
Public Actions
Campaign / Petition Record
Ordered oldest to newest.
1906
Development
Construction period recorded in city landmark data
by Public record Previous
Chicago's public landmark data records Chicago and Alton Railway Bridge as built in 1906.
December 12, 2007
Designation
Chicago individual landmark designation
by Public record Previous
City of Chicago designated Chicago and Alton Railway Bridge as an individual landmark on December 12, 2007.
February 2026
Inventory
City landmark address list and data portal record
by Public record Current
Chicago and Alton Railway Bridge remains listed in Chicago's public individual-landmark address list and open-data record.
Signals
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Chicago and Alton Railway Bridge, Chicago, Illinois
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Sources
Source Trail
City of Chicago Open Data: Individual Landmarks
dataset
Use for address, built date, architect, and point geometry in the city data portal.
Chicago Landmark Address List February 2026
institution
Use for address normalization and cross-checking the city's public landmark list.
Place Snapshot
- Place
- Chicago and Alton Railway Bridge
- Location
- S Fork of S Branch, N of Archer & E of Ashland, Chicago, Illinois
- Coverage
- Exact
Key Facts
- Region
- Chicago, Illinois / Midwest
- Place type
- Transportation Infrastructure
- Current status
- Preserved
- Address
- S Fork of S Branch, N of Archer & E of Ashland
- Built
- 1906
- Architect
- Page & Schnable, Patentee
- Designated
- December 12, 2007
Design / Planning Timeline
Page & Schnable, Patentee
1906
Milestone
Design architect or firm credited in current city landmark data
Use as a starting point for confirming authorship against permits, drawings, and later landmark reports.
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