+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:14.8 ft. [4.5 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: May 2014 

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]
Evaluation:Functionally obsolete [2]
Sufficiency rating:70.7
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$1,000,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201470.7Functionally obsoleteSatisfactorySatisfactorySatisfactory10500
May 201270.7Functionally obsoleteSatisfactorySatisfactorySatisfactory10500
April 201070.7Functionally obsoleteSatisfactorySatisfactorySatisfactory10500
December 200970.7Functionally obsoleteSatisfactorySatisfactorySatisfactory10500
December 200759.4Functionally obsoleteSatisfactoryFairSatisfactory10500
July 200559.4Functionally obsoleteSatisfactoryFairSatisfactory10500
July 200359.4Functionally obsoleteSatisfactoryFairSatisfactory10500
July 200159.4Functionally obsoleteSatisfactoryFairGood10500
July 199970.7Functionally obsoleteSatisfactorySatisfactoryGood10500
November 199670.7Functionally obsoleteSatisfactorySatisfactoryGood10500
December 199357.7Functionally obsoleteFairFairFair10500
April 199157.7Functionally obsoleteFairFairFair10500