+38.88234, -77.02399
38°52'56" N, 77°01'26" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:9TH STREET, RAMP M over RAMPS A+C I-395
Structure number:1107(RAMP M)
Location:9TH ST SW OVER I-395
Purpose:Carries highway over highway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:91.9 ft. [28.0 m]
Total length:370.1 ft. [112.8 m]
Roadway width between curbs:20.3 ft. [6.2 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1961
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:6
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: April 2016 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,500 [as of 2007]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:89.8 tons [81.6 metric tons]
Inventory rating:53.9 tons [49.0 metric tons]
Sufficiency rating:73.7
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$1,000,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201673.7FairSatisfactorySatisfactorySatisfactoryFO10500
May 201470.7FairSatisfactorySatisfactorySatisfactoryFO10500
May 201270.7FairSatisfactorySatisfactorySatisfactoryFO10500
April 201070.7FairSatisfactorySatisfactorySatisfactoryFO10500
December 200970.7FairSatisfactorySatisfactorySatisfactoryFO10500
December 200759.4FairSatisfactoryFairSatisfactoryFO10500
July 200559.4FairSatisfactoryFairSatisfactoryFO10500
July 200359.4FairSatisfactoryFairSatisfactoryFO10500
July 200159.4FairSatisfactoryFairGoodFO10500
July 199970.7FairSatisfactorySatisfactoryGoodFO10500
November 199670.7FairSatisfactorySatisfactoryGoodFO10500
December 199357.7FairFairFairFairFO10500
April 199157.7FairFairFairFairFO10500