Monopole 1203739 — Alsip, IL
ConstructedFCC Antenna Structure Registration 1203739 — monopole near Alsip, Illinois. Single-shaft steel pole, the standard modern cell-site structure.
At a glance
FCC Antenna Structure Registration 1203739 is a 58 m (190 ft) monopole near Alsip, Cook County, Illinois. Its registration status is constructed, with construction recorded on Sep 23, 2014. It is registered to Illinois State Toll Highway Authority, which holds 43 FCC structure registrations.
Registration record
FCC record
| Field | Value |
|---|---|
| Registration number (ASRN) | 1203739 |
| Unique system identifier | 2600564 |
| Status | Constructed (C) |
| Structure type | Monopole (MTOWER) |
| Date constructed | Sep 23, 2014 |
| Registration issued | Mar 3, 2014 |
Aviation safety
FAA & lighting
| Field | Value |
|---|---|
| FAA study number | 2009-AGL-6485-OE |
| FAA circular | — |
| Painting / lighting spec | NONE |
| Marking / lighting code | None (1) |
The painting/lighting specification is copied as filed: the FAA marking and lighting chapters and paragraphs cited in the ASR record. The marking/lighting code is decoded using the FCC registration form's code list.
Registered owner
Illinois State Toll Highway Authority
Downers Grove, IL · FRN 0002847101
Holds 43 FCC structure registrations — view the full portfolio →
Location
- Address
- 3800ft. N. of I1 Rte83 on I294
- City
- Alsip
- State
- Illinois
- ZIP
- 60803
- County
- Cook County
- County FIPS
- 17031
- Coordinates
- 41.66447, -87.74142
Within ~40 km
Nearby structures
Building with tower · Constructed
Building with mast · Constructed
Building with tower · Constructed
Building with tower · Constructed
Building with tower · Granted (not yet constructed)
Building with mast · Constructed
How tall is structure 1203739 compared with others?
At 58 m, structure 1203739 is about 20% above the 48 m average across the 965 structures registered in Cook County. It is about 16% below the Illinois average of 69 m across 7,110 registrations. Among the 24,638 registrations nationwide filed under the same structure-type code (MTOWER), the average overall height is 42 m, so this one is about 38% above that figure.
The supporting structure itself measures 55 m; antennas and other appurtenances on top bring the overall height above ground to 58 m. The site's filed ground elevation is 188 m, which puts the top of the structure 245 m above mean sea level.
Where is structure 1203739, and what is registered around it?
The registration places the structure near Alsip in Cook County, Illinois, at coordinates 41.66447, -87.74142, with the site address filed as "3800ft. N. of I1 Rte83 on I294". Cook County has 965 FCC-registered antenna structures, the largest count among the 102 Illinois counties with registrations, and 641 of them are marked constructed. Illinois as a whole has 7,110 registrations, the 6th-largest total among the 50 states and DC.
The tallest other registered structure within about 40 km is Chicago, IL · 1032959, a building tower at 527 m (constructed).
What does the status "Constructed" mean?
Constructed means the owner has notified the FCC that construction is complete, so the registry treats the structure as standing. The FCC issued registration 1203739 on Mar 3, 2014. Nationally, 141,895 of the 197,770 registrations (71.7%) carry the constructed status, including 5,177 in Illinois.
Who owns antenna structure 1203739?
The FCC record lists Illinois State Toll Highway Authority of Downers Grove, IL as the registered owner, under FCC Registration Number 0002847101. Across the registry it holds 43 structure registrations, the 391st-largest portfolio among the 7,865 owners with two or more, including 43 in Illinois. Its most common filed structure-type code is TOWER (41 registrations).
What FAA and lighting details are on file?
The registration cites FAA aeronautical study 2009-AGL-6485-OE, the FAA review of the structure's effect on air navigation. Its marking and lighting code, 1, is listed on the FCC registration form as "None".
Frequently asked questions
How tall is antenna structure 1203739?
Its registered overall height above ground is 58 m (190 ft), and 245 m (805 ft) above mean sea level.
Who owns tower 1203739?
The registered owner is Illinois State Toll Highway Authority, which holds 43 FCC antenna structure registrations.
Where is antenna structure 1203739?
It is located near Alsip, Cook County, Illinois at 3800ft. N. of I1 Rte83 on I294 (41.66447, -87.74142). Its status is constructed; it was constructed on Sep 23, 2014.
What type of structure is 1203739?
It is filed with the FCC under structure-type code MTOWER, which decodes to "Monopole". Single-shaft steel pole, the standard modern cell-site structure. 24,638 registrations nationwide use the same code.
How many antenna structures are registered in Cook County, IL?
Cook County has 965 FCC-registered antenna structures, 641 of them constructed — the largest count among 102 counties in Illinois.
Related pages
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Dataset updated . Source: FCC Antenna Structure Registration 1203739, weekly bulk file.
About this data
Source: FCC Antenna Structure Registration (ASR) database, as published October 13, 2026 — TowerCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: TowerCensus, “Antenna structure 1203739, Alsip, Cook County, Illinois”, https://towercensus.com/towers/illinois/alsip-1203739 (data as of October 13, 2026).