+41.71386, -87.54299
41°42'50" N, 87°32'35" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Structure number:016604200000000
Old structure number:000016604226833 (from 1992 edition)
Location:3300 E 100TH STREET
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:233.6 ft. [71.2 m]
Total length:326.5 ft. [99.5 m]
Roadway width between curbs:38.1 ft. [11.6 m]
Deck width edge-to-edge:62.0 ft. [18.9 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:City or Municipal Highway Agency [04]
Year built:1927
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: October 2015

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:11,500 [as of 2014]
Truck traffic:9% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:48.8 tons [44.4 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:47.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,640,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201547.2PoorPoorPoorPoorSD11500
October 201345.5PoorSatisfactoryPoorPoorSD11500
October 201162.0FairGoodFairFairFO13900
November 200962.0FairGoodFairFairFO13900
November 200762.8FairGoodFairFairFO10000
November 200562.8FairGoodSatisfactoryFairFO10000
October 200363.7FairGoodSatisfactoryFairFO5809
October 200163.7FairGoodSatisfactoryFairFO5809
September 199963.7FairGoodSatisfactoryFairFO5800
July 199763.7FairVery GoodSatisfactoryFairFO5800
July 199563.7FairExcellentSatisfactoryFairFO5800
April 199463.7FairExcellentGoodFairFO5800
June 199346.8PoorCriticalPoorFairSD5800
October 199146.1PoorFairPoorFairSD5800