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NFA A512 over MARTIN SPRINGS RD / I-24

Map

Coordinates:
+35.04889, -85.63056
35°02'56" N, 85°37'50" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NFA A512 over MARTIN SPRINGS RD / I-24
Structure number:58I00240015
Location:.1 MI AT SR2
Purpose:Carries highway over highway
Route classification:Local (Rural) [09]
Length of largest span:70.9 ft. [21.6 m]
Total length:245.1 ft. [74.7 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:34.5 ft. [10.5 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 18 / H 20 [4]
Number of main spans:4
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:740 [as of 2017]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:46.5 tons [42.3 metric tons]
Inventory rating:27.7 tons [25.2 metric tons]
Sufficiency rating:86.4

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201686.4FairGoodSatisfactoryGood-740
July 201486.4GoodGoodGoodGood-740
July 201286.4GoodGoodGoodGood-740
July 201086.4GoodGoodGoodGood-740
August 200892.9GoodGoodGoodGood-740
August 200694.9GoodGoodGoodGood-740
September 200494.9GoodGoodGoodGood-740
September 200294.9GoodGoodGoodGood-740
September 200092.9GoodGoodGoodGood-740
August 199894.8GoodGoodGoodGood-740
August 199697.9GoodGoodGoodGood-200
July 199497.9GoodGoodGoodGood-200
July 199297.9GoodGoodGoodGood-200
May 199097.9GoodGoodGoodGood-200