I40 LL over I40-LL / 17TH. STREET


+35.96417, -83.93667
35°57'51" N, 83°56'12" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I40 LL over I40-LL / 17TH. STREET
Structure number:47I00400054
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:43.0 ft. [13.1 m]
Total length:143.1 ft. [43.6 m]
Roadway width between curbs:103.4 ft. [31.5 m]
Deck width edge-to-edge:104.3 ft. [31.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1965
Year reconstructed:1981
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2014 

Status:Open, no restriction [A]
Average daily traffic:144,580 [as of 2014]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:74.2 tons [67.5 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:70.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,903,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201470.0Functionally obsoleteSatisfactorySatisfactoryFair144580
November 201270.0Functionally obsoleteSatisfactorySatisfactoryFair131940
November 201070.0Functionally obsoleteSatisfactorySatisfactoryFair127990
January 200970.0Functionally obsoleteSatisfactorySatisfactoryFair127590
October 200670.0Functionally obsoleteSatisfactorySatisfactoryFair114820
November 200471.0Functionally obsoleteSatisfactorySatisfactoryFair105740
November 200270.2Functionally obsoleteSatisfactorySatisfactoryFair112650
November 200070.6Functionally obsoleteSatisfactoryGoodFair108940
November 199870.0Functionally obsoleteSatisfactoryGoodFair126720
November 199671.1Functionally obsoleteSatisfactoryGoodFair104280
December 199488.0Functionally obsoleteGoodGoodSatisfactory76100
October 199287.0Functionally obsoleteGoodGoodGood89000
November 199087.0Functionally obsoleteGoodGoodGood89000