9TH ST BRIDGE over I-395


+38.88225, -77.02400
38°52'56" N, 77°01'26" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:9TH ST BRIDGE over I-395
Structure number:1107
Location:9TH ST SW OVER I-395
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Collector (Urban) [17]
Length of largest span:85.0 ft. [25.9 m]
Total length:288.1 ft. [87.8 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:36.4 ft. [11.1 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1961
Year reconstructed:2009
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:4
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: March 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:8,900 [as of 2007]
Truck traffic:3% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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]
Scour condition:Bridge not over waterway. [N]
Operating rating:72.8 tons [66.2 metric tons]
Inventory rating:43.9 tons [39.9 metric tons]
Sufficiency rating:75.9
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$3,250,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201675.9GoodGoodGoodGood-8900
March 201475.9GoodGoodGoodGood-8900
March 201273.9GoodGoodGoodGood-8900
March 201073.9GoodGoodGoodGood-8900
March 200759.5PoorPoorFairFairSD8900
February 200561.4FairFairFairSatisfactory-9800
March 200361.4FairFairFairSatisfactory-9800
January 200161.4FairFairFairGoodFO9800
January 199962.5FairSatisfactoryFairGoodFO9800
October 199662.5FairSatisfactoryFairGoodFO9800
December 199362.8FairSatisfactoryFairGoodFO9800