18TH ST over UP & TRRA RR


+38.62391, -90.20803
38°37'26" N, 90°12'29" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:18TH ST over UP & TRRA RR
Structure number:13134
Old structure number:U387530002 115 (from 1992 edition)
Location:S 23 T 45 N R 7 E
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:137.1 ft. [41.8 m]
Total length:729.0 ft. [222.2 m]
Roadway width between curbs:47.9 ft. [14.6 m]
Deck width edge-to-edge:58.7 ft. [17.9 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Vertical clearance below bridge:23.0 ft. [7.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1986
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:14,500 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 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:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:65.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,723,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactoryFairSatisfactory1450065.8
March 2015FairSatisfactoryGoodSatisfactory1450077.2
March 2013FairSatisfactoryGoodSatisfactory1450077.2
March 2011FairSatisfactoryGoodSatisfactory1450079.3
April 2009FairSatisfactoryGoodSatisfactory1450079.3
May 2007FairSatisfactoryGoodSatisfactory1450098.3
May 2005GoodGoodVery GoodVery Good1450098.3
June 2003GoodGoodVery GoodVery Good1223098.4
June 2001GoodGoodVery GoodVery Good1223098.4
May 1999GoodGoodVery GoodVery Good1223095.8
June 1991GoodExcellentExcellentExcellent1081096.2