Share:

US 169 N over BNSF RR

Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:US 169 N over BNSF RR
Structure number:3800
Old structure number:A4642 3 (from 1992 edition)
Location:S 11 T 50 N R 33 W
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:115.2 ft. [35.1 m]
Total length:831.1 ft. [253.3 m]
Roadway width between curbs:30.2 ft. [9.2 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Owner:State Highway Agency [01]
Year built:1956
Year reconstructed:1990
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span 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: September 2014 

Status:Open, no restriction [A]
Average daily traffic:20,362 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:41.6 tons [37.8 metric tons]
Inventory rating:28.7 tons [26.1 metric tons]
Sufficiency rating:76.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201476.6Not deficientGoodSatisfactorySatisfactory20362
September 201276.5Not deficientGoodSatisfactorySatisfactory21714
December 201076.6Not deficientGoodSatisfactoryGood17251
June 200876.6Not deficientGoodGoodVery Good17083
January 200776.6Not deficientGoodGoodVery Good18458
December 200576.7Not deficientGoodGoodVery Good16411
March 200474.6Not deficientGoodGoodVery Good16593
February 200273.5Not deficientGoodGoodVery Good19008
October 199972.4Not deficientGoodGoodVery Good18949
October 199872.4Not deficientGoodGoodVery Good18949
December 199772.4Not deficientGoodGoodVery Good18949
November 199576.6Not deficientGoodSatisfactoryGood15150
November 199476.6Not deficientGoodSatisfactoryGood14850