I40 730586Y over I40 /SOU RR& MITCHELL ST


+35.98444, -83.91333
35°59'04" N, 83°54'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I40 730586Y over I40 /SOU RR& MITCHELL ST
Structure number:47I00400077
Location:.4 M NE OF PRATT ST
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:132.2 ft. [40.3 m]
Total length:361.2 ft. [110.1 m]
Roadway width between curbs:213.6 ft. [65.1 m]
Deck width edge-to-edge:217.5 ft. [66.3 m]
Vertical clearance below bridge:15.7 ft. [4.8 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1967
Year reconstructed:2006
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: December 2016 

Status:Open, no restriction [A]
Average daily traffic:95,720 [as of 2015]
Truck traffic:14% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
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:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:84.6

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201684.6Functionally obsoleteVery GoodVery GoodVery Good95720
December 201485.6Not deficientVery GoodVery GoodVery Good85420
January 201384.9Not deficientVery GoodVery GoodVery Good92460
January 201184.6Not deficientVery GoodVery GoodVery Good95510
January 200984.0Not deficientVery GoodVery GoodVery Good101290
November 200684.1Not deficientVery GoodVery GoodVery Good84160
November 200484.1Functionally obsoleteSatisfactoryGoodGood84820
January 200385.5Not deficientSatisfactoryGoodGood93170
December 200086.0Not deficientSatisfactoryGoodGood87240
October 199885.7Not deficientSatisfactoryGoodGood90790
January 199787.8Not deficientSatisfactoryVery GoodGood84940
January 199590.3Not deficientGoodVery GoodVery Good74220
November 199291.1Not deficientGoodVery GoodVery Good64200
February 199269.5Functionally obsoleteFairSatisfactoryGood64200