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


Name:CALHOUN STREET over I-170
Structure number:200000BC1503010
Location:0.1 MI N OF SARATOGA ST
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:77.1 ft. [23.5 m]
Total length:179.1 ft. [54.6 m]
Roadway width between curbs:52.2 ft. [15.9 m]
Deck width edge-to-edge:69.9 ft. [21.3 m]
Vertical clearance below bridge:15.1 ft. [4.6 m]
Owner:City or Municipal Highway Agency [04]
Year built:1977
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:3
Main spans material:Concrete continuous [2]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2014 

Status:Open, no restriction [A]
Average daily traffic:2,036 [as of 2013]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:94.8 tons [86.2 metric tons]
Inventory rating:43.9 tons [39.9 metric tons]
Sufficiency rating:99.8
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$17,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201499.8Not deficientSatisfactorySatisfactorySatisfactory2036
July 201299.8Not deficientSatisfactorySatisfactorySatisfactory1840
July 201099.8Not deficientSatisfactorySatisfactorySatisfactory1840
January 201084.6Not deficientSatisfactorySatisfactorySatisfactory1840
January 200884.6Not deficientSatisfactorySatisfactorySatisfactory1840
November 200586.6Not deficientSatisfactorySatisfactorySatisfactory1840
January 200686.6Not deficientSatisfactorySatisfactorySatisfactory1840
December 200384.6Not deficientGoodSatisfactorySatisfactory1825
January 200286.6Not deficientGoodSatisfactorySatisfactory1825
February 200091.4Not deficientGoodSatisfactorySatisfactory1425
January 199891.4Not deficientGoodSatisfactorySatisfactory1425
March 199590.9Not deficientGoodSatisfactorySatisfactory1425
October 199292.9Not deficientGoodSatisfactoryGood1425
October 199092.9Not deficientGoodGoodGood1425