Archer Avenue Bridge
Photo taken by Steve Conro in September 2012
This classic Pennsylvania through truss bridge is one of the better examples of the type, and is still in good condition carrying heavy traffic on Illinois Routes 83 and 171 over the Calumet Sag Channel. It is a piece of incredibly intricate geometric art that is just plain fun to drive across, especially watching the shadows on its deck on a sunny day.
- Through truss bridge over Cal Sag Channel on Archer Ave/IL 171/ IL 83
- Lemont, Cook County, Illinois
- Open to traffic
- Built 1934; rehabilitated 1997
- 4-lane wide Pennsylvania through truss with cantilevered sidewalk attached to west side
Length of largest span: 304.3 ft.
Total length: 507.0 ft.
Deck width: 43.9 ft.
Vertical clearance above deck: 15.0 ft.
Eligible for the National Register of Historic Places
- Also called
- Kingery Highway Cal Sag Bridge
- Approximate latitude, longitude
- +41.69639, -87.93639 (decimal degrees)
41°41'47" N, 87°56'11" W (degrees°minutes'seconds")
- Approximate UTM coordinates
- 16/422082/4616491 (zone/easting/northing)
- USGS topographic map
- Sag Bridge
- Inventory numbers
- IL 016-0427 (Illinois bridge number)
BH 15139 (Bridgehunter.com ID)
- Inspection (as of 08/2011)
- Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Good (7 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 47.8 (out of 100)
- Average daily traffic (as of 2011)
- March 28, 2013: New photos from Roger Deschner
- March 27, 2013: Updated by Roger Deschner: Correct name, add Description, other details
- September 26, 2012: Updated by Steve Conro: Corrected town, road name added photo's