+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: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: November 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:35,615 [as of 2015]
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:95.6
Estimated cost of work:$5,928,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201695.6GoodGoodGoodVery Good-35615
November 201497.6GoodGoodGoodVery Good-14975
November 201297.9GoodGoodGoodGood-11330
December 201099.0GoodGoodGoodGood-10840
December 200899.0GoodGoodGoodGood-11055
December 200698.6GoodGoodVery GoodGood-14700
December 200498.7GoodGoodVery GoodGood-14130
December 200298.8GoodVery GoodVery GoodVery Good-13270
December 200099.2GoodVery GoodVery GoodVery Good-9010
December 199899.1GoodVery GoodVery GoodVery Good-9470
December 199697.2GoodVery GoodVery GoodVery Good-29830
December 199499.0GoodVery GoodVery GoodVery Good-13760
December 199298.1GoodVery GoodVery GoodVery Good-25700