+34.70678, -86.67135
34°42'24" N, 86°40'17" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:RESEARCH PK BLVD over I-565
Structure number:015254
Location:JCT I-565 * SR 255
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:106.0 ft. [32.3 m]
Total length:451.1 ft. [137.5 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:54.5 ft. [16.6 m]
Vertical clearance below bridge:18.4 ft. [5.6 m]
Owner:State Highway Agency [01]
Year built:1990
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:5
Main spans material:Prestressed concrete continuous [6]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2014 

Status:Open, no restriction [A]
Average daily traffic:14,975 [as of 2013]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:47.9 tons [43.5 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:97.6
Estimated cost of work:$8,151,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201497.6Not deficientGoodGoodVery Good14975
November 201297.9Not deficientGoodGoodGood11330
December 201099.0Not deficientGoodGoodGood10840
December 200899.0Not deficientGoodGoodGood11055
December 200698.6Not deficientGoodVery GoodGood14700
December 200498.7Not deficientGoodVery GoodGood14130
December 200298.8Not deficientVery GoodVery GoodVery Good13270
December 200099.2Not deficientVery GoodVery GoodVery Good9010
December 199899.1Not deficientVery GoodVery GoodVery Good9470
December 199697.2Not deficientVery GoodVery GoodVery Good29830
December 199499.0Not deficientVery GoodVery GoodVery Good13760
December 199298.1Not deficientVery GoodVery GoodVery Good25700