US 78 over I59


+33.52111, -86.84943
33°31'16" N, 86°50'58" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US 78 over I59
Structure number:009050
Old structure number:000000043702010 (from 1992 edition)
Purpose:Carries highway overpass over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:82.0 ft. [25.0 m]
Total length:332.0 ft. [101.2 m]
Roadway width between curbs:71.9 ft. [21.9 m]
Deck width edge-to-edge:82.0 ft. [25.0 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Owner:State Highway Agency [01]
Year built:1966
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:5
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: June 2015 

Status:Open, no restriction [A]
Average daily traffic:20,400 [as of 2015]
Truck traffic:3% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:47.9 tons [43.5 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:76.0
Estimated cost of work:$6,830,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201576.0Not deficientFairFairSatisfactory20400
June 201376.0Not deficientFairFairSatisfactory20400
June 201176.0Not deficientFairFairSatisfactory19970
June 200976.0Not deficientFairFairSatisfactory26270
June 200777.0Not deficientFairFairSatisfactory22210
June 200577.0Not deficientFairFairSatisfactory24980
June 200378.0Not deficientFairFairSatisfactory21630
June 200181.0Not deficientSatisfactoryFairSatisfactory21630
July 199981.0Not deficientSatisfactoryFairSatisfactory20440
July 199790.0Not deficientSatisfactorySatisfactoryGood20440
May 199591.0Not deficientSatisfactorySatisfactoryGood19320
December 199388.0Not deficientFairSatisfactoryVery Good18470
January 199188.0Not deficientFairSatisfactoryVery Good49880