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 

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]
Evaluation:Functionally obsolete [2]
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. ratingEvaluationDeckSuper.Sub.ADT
March 201577.2Functionally obsoleteSatisfactoryGoodSatisfactory14500
March 201377.2Functionally obsoleteSatisfactoryGoodSatisfactory14500
March 201179.3Functionally obsoleteSatisfactoryGoodSatisfactory14500
April 200979.3Functionally obsoleteSatisfactoryGoodSatisfactory14500
May 200798.3Not deficientSatisfactoryGoodSatisfactory14500
May 200598.3Not deficientGoodVery GoodVery Good14500
June 200398.4Not deficientGoodVery GoodVery Good12230
June 200198.4Not deficientGoodVery GoodVery Good12230
May 199995.8Not deficientGoodVery GoodVery Good12230
June 199196.2Not deficientExcellentExcellentExcellent10810