FAU 4831 over CALLAHAN RD.-RL / I75


+36.02472, -83.99694
36°01'29" N, 83°59'49" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FAU 4831 over CALLAHAN RD.-RL / I75
Structure number:47I00750037
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:61.4 ft. [18.7 m]
Total length:218.5 ft. [66.6 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:36.4 ft. [11.1 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1969
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 continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:22,950 [as of 2017]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:40.6 tons [36.9 metric tons]
Inventory rating:23.8 tons [21.6 metric tons]
Sufficiency rating:49.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$2,758,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201749.2FairSatisfactorySatisfactoryGoodFO22950
January 201541.5FairSatisfactoryFairGoodFO22950
January 201341.5FairSatisfactoryFairGoodFO22950
January 201164.6FairSatisfactoryGoodGoodFO22950
January 200964.6FairSatisfactoryGoodGoodFO22950
January 200768.0FairSatisfactoryGoodGoodFO18070
December 200474.0FairSatisfactoryGoodGood-12540
March 200375.6FairSatisfactoryGoodGood-11380
March 200176.0GoodGoodGoodGood-10690
December 199878.4GoodGoodGoodGood-9820
February 199781.2GoodGoodGoodGood-3900
February 199581.3GoodGoodGoodGood-3700
January 199390.8GoodGoodGoodGood-1000
November 199090.8GoodGoodGoodGood-1000