I124 SBL over W. 9TH ST. (FAU 3551)


+35.04639, -85.31417
35°02'47" N, 85°18'51" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I124 SBL over W. 9TH ST. (FAU 3551)
Structure number:33I01240014
Location:3 MI S OF TN RIVER
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:64.0 ft. [19.5 m]
Total length:198.2 ft. [60.4 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:61.4 ft. [18.7 m]
Vertical clearance below bridge:18.7 ft. [5.7 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1958
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:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2014 

Status:Open, no restriction [A]
Average daily traffic:69,530 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:64.4 tons [58.5 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:44.9
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$809,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201444.9Structurally deficientGoodPoorSatisfactory69530
August 201271.2Functionally obsoleteGoodSatisfactorySatisfactory79600
August 201073.1Functionally obsoleteGoodSatisfactorySatisfactory81010
September 200861.3Functionally obsoleteSatisfactoryFairFair78650
August 200662.0Functionally obsoleteSatisfactoryFairFair68750
September 200462.1Functionally obsoleteSatisfactoryFairFair68100
September 200262.2Functionally obsoleteSatisfactoryFairFair65850
October 200068.0Functionally obsoleteSatisfactoryFairFair59620
October 199867.0Functionally obsoleteSatisfactoryFairFair60040
August 199676.0Functionally obsoleteGoodSatisfactorySatisfactory68000
January 199576.0Functionally obsoleteGoodSatisfactoryGood62840
December 199276.0Functionally obsoleteGoodSatisfactoryGood38350
April 199176.0Functionally obsoleteGoodSatisfactoryGood38350