18TH ST over UP & TRRA RR


+38.62337, -90.20820
38°37'24" N, 90°12'30" 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 2015 

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:14,500 [as of 2013]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
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]
Operating rating:62.4 tons [56.7 metric tons]
Inventory rating:37.6 tons [34.2 metric tons]
Sufficiency rating:77.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,723,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201577.2FairSatisfactoryGoodSatisfactoryFO14500
March 201377.2FairSatisfactoryGoodSatisfactoryFO14500
March 201179.3FairSatisfactoryGoodSatisfactoryFO14500
April 200979.3FairSatisfactoryGoodSatisfactoryFO14500
May 200798.3FairSatisfactoryGoodSatisfactory-14500
May 200598.3GoodGoodVery GoodVery Good-14500
June 200398.4GoodGoodVery GoodVery Good-12230
June 200198.4GoodGoodVery GoodVery Good-12230
May 199995.8GoodGoodVery GoodVery Good-12230
June 199196.2GoodExcellentExcellentExcellent-10810