Jackson Boulevard Bridge

The Jackson Boulevard Bridge is a Pratt deck truss, fixed-trunnion, bascule bridge that spans the Chicago River at Jackson Boulevard in downtown Chicago.[4][5] It was built in 1915 and is 273 feet in length.[4]

Jackson Boulevard Bridge
The bridge in 2015
Coordinates	41.87807°N 87.63770°W / 41.87807; -87.63770
Carries	Pedestrians, bicycles, motor vehicles
Crosses	South Branch of the Chicago River
Locale	Chicago Loop
Named for	Andrew Jackson, after the street on which it resides[1]
Owner	City of Chicago
Maintained by	Chicago Department of Transportation
NBI number	16602627329
Preceded by	Adams Street Bridge
Followed by	Van Buren Street Bridge
Characteristics
Design	Double-leaf bascule bridge
Material	steel
Total length	273 feet (83 m)
Width	64 feet (20 m)
Longest span	202 feet (62 m)
No. of spans	1 main & 3 approach
Clearance below	15.74 feet (4.80 m)
No. of lanes	3 (one-way eastbound)
History
Engineering design by	Strauss Bascule Bridge Company
Constructed by	Great Lakes Dredge and Dock Company (substructure) Strobel Steel Construction Company (superstructure)
Construction end	1915
Construction cost	$400,600[2]
Opened	29 January 1916
Rebuilt	1993
Replaces	1888 swing bridge
Statistics
Daily traffic	6900 vehicles per day (2014)[3] 22,280 pedestrians per day (1999)[2]
Jackson Boulevard Bridge Location in Chicago Loop
References
historicbridges.org[4]