I40 over I-40 / N. DUNLAP ST.


+35.01611, -90.03222
35°00'58" N, 90°01'56" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I40 over I-40 / N. DUNLAP ST.
Structure number:79I00400011
Location:.5 MI E OF US-51
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:76.1 ft. [23.2 m]
Total length:146.0 ft. [44.5 m]
Roadway width between curbs:120.1 ft. [36.6 m]
Deck width edge-to-edge:126.0 ft. [38.4 m]
Vertical clearance below bridge:15.4 ft. [4.7 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1968
Year reconstructed:1988
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Prestressed concrete continuous [6]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: December 2016 

Status:Open, no restriction [A]
Average daily traffic:70,820 [as of 2015]
Truck traffic:27% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Superior to present desirable criteria [9]
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:66.3 tons [60.3 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:81.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201681.0Not deficientSatisfactoryGoodGood70820
January 201581.0Not deficientSatisfactoryGoodGood70300
January 201381.0Not deficientGoodGoodGood80570
March 201181.0Not deficientGoodGoodGood72840
April 200981.0Not deficientGoodGoodGood69310
May 200779.0Functionally obsoleteGoodGoodGood68210
August 200579.0Functionally obsoleteGoodGoodGood68760
August 200379.0Functionally obsoleteGoodGoodGood70930
September 200183.0Not deficientGoodGoodGood66050
January 200076.0Not deficientGoodGoodGood71150
December 199778.0Not deficientGoodGoodGood61300
August 199578.0Not deficientSatisfactoryGoodGood58830
August 199378.0Not deficientSatisfactoryGoodGood55240
November 199178.0Not deficientSatisfactoryGoodGood46590