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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:154,010 [as of 2015]
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]
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201670.0FairSatisfactorySatisfactoryFairFO154010
November 201470.0FairSatisfactorySatisfactoryFairFO144580
November 201270.0FairSatisfactorySatisfactoryFairFO131940
November 201070.0FairSatisfactorySatisfactoryFairFO127990
January 200970.0FairSatisfactorySatisfactoryFairFO127590
October 200670.0FairSatisfactorySatisfactoryFairFO114820
November 200471.0FairSatisfactorySatisfactoryFairFO105740
November 200270.2FairSatisfactorySatisfactoryFairFO112650
November 200070.6FairSatisfactoryGoodFairFO108940
November 199870.0FairSatisfactoryGoodFairFO126720
November 199671.1FairSatisfactoryGoodFairFO104280
December 199488.0FairGoodGoodSatisfactoryFO76100
October 199287.0GoodGoodGoodGoodFO89000
November 199087.0GoodGoodGoodGoodFO89000