US 78 over SOU * L * N RR


+33.52663, -86.85034
33°31'36" N, 86°51'01" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:US 78 over SOU * L * N RR
Structure number:001393
Purpose:Carries highway and pedestrian walkway over railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:73.2 ft. [22.3 m]
Total length:355.0 ft. [108.2 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:53.2 ft. [16.2 m]
Vertical clearance below bridge:21.3 ft. [6.5 m]
Skew angle:40°
Owner:State Highway Agency [01]
Year built:1936
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2016 

Status:Open, no restriction [A]
Average daily traffic:45,700 [as of 2016]
Truck traffic:9% of total traffic
Deck condition:Satisfactory [6 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:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:52.8 tons [48.0 metric tons]
Inventory rating:31.8 tons [28.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:48.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,692,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201648.9Functionally obsoleteSatisfactoryFairSatisfactory45700
January 201449.0Functionally obsoleteSatisfactoryFairSatisfactory45700
January 201250.0Functionally obsoleteSatisfactoryFairSatisfactory44990
August 200950.0Functionally obsoleteSatisfactoryFairSatisfactory47110
August 200750.0Functionally obsoleteSatisfactoryFairSatisfactory47830
August 200550.0Functionally obsoleteSatisfactoryFairSatisfactory46020
August 200350.0Functionally obsoleteSatisfactoryFairSatisfactory50700
August 200150.0Functionally obsoleteSatisfactoryFairSatisfactory50700
September 199951.0Functionally obsoleteSatisfactoryFairFair51230
October 199751.0Functionally obsoleteSatisfactoryFairFair51230
August 199542.9Functionally obsoleteSatisfactoryFairFair48840
September 199342.9Functionally obsoleteGoodFairFair48840
February 199347.9Functionally obsoleteGoodGoodGood48840