+41.85741, -87.64983
41°51'27" N, 87°38'59" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:18TH ST over RR TRACKS
Structure number:016611600000000
Old structure number:000016611627308 (from 1992 edition)
Location:1800S.& 300W.TO 200W
Purpose:Carries highway over railroad
Route classification:Collector (Urban) [17]
Length of largest span:109.3 ft. [33.3 m]
Total length:519.7 ft. [158.4 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:65.9 ft. [20.1 m]
Vertical clearance below bridge:18.0 ft. [5.5 m]
Owner:City or Municipal Highway Agency [04]
Year built:1967
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:7
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2015 

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:13,800 [as of 2014]
Truck traffic:11% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:53.5 tons [48.6 metric tons]
Inventory rating:32.1 tons [29.2 metric tons]
Sufficiency rating:61.1
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$737,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201561.1PoorPoorFairFairSD13800
May 201361.1PoorPoorFairFairSD13800
June 201160.8PoorPoorFairFairSD10900
June 200960.8PoorPoorFairFairSD7300
January 200746.8PoorFairFairPoorSD7300
January 200547.8PoorSatisfactoryFairPoorSD8309
January 200350.0PoorSatisfactoryFairPoorSD8309
January 200150.0PoorSatisfactoryFairPoorSD8309
October 199866.0FairSatisfactoryFairFairFO8300
September 199666.0FairSatisfactoryFairFairFO8300
October 199463.0FairSatisfactorySatisfactoryFairFO8300
September 199279.0FairGoodSatisfactorySatisfactoryFO8300
October 199079.0GoodGoodGoodGoodFO8300