I40 347572M over I40/MIDDLEBROOK PK.& RR


+35.96167, -83.95333
35°57'42" N, 83°57'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I40 347572M over I40/MIDDLEBROOK PK.& RR
Structure number:47I00400045
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:132.9 ft. [40.5 m]
Total length:694.9 ft. [211.8 m]
Roadway width between curbs:111.9 ft. [34.1 m]
Deck width edge-to-edge:115.8 ft. [35.3 m]
Vertical clearance below bridge:24.9 ft. [7.6 m]
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:2001
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel continuous [4]
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: January 2015 

Status:Open, no restriction [A]
Average daily traffic:130,530 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Good [7 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:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:55.4 tons [50.4 metric tons]
Inventory rating:32.7 tons [29.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:79.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201579.6Functionally obsoleteGoodGoodGood130530
January 201379.7Functionally obsoleteGoodGoodGood128810
January 201181.2Functionally obsoleteGoodGoodGood129750
January 200981.5Not deficientGoodGoodGood127580
January 200783.0Not deficientGoodGoodGood112030
December 200483.4Not deficientGoodGoodGood107900
February 200381.8Not deficientSatisfactoryGoodGood107530
November 200071.7Structurally deficientPoorGoodGood94340
October 199869.6Structurally deficientPoorGoodGood118230
December 199671.0Structurally deficientPoorGoodGood117850
January 199578.6Functionally obsoleteSatisfactoryGoodGood97460
October 199280.1Functionally obsoleteGoodGoodGood80360
October 199080.1Functionally obsoleteGoodGoodGood80360