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 

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. ratingEvaluationDeckSuper.Sub.ADT
March 201675.9Not deficientGoodGoodGood8900
March 201475.9Not deficientGoodGoodGood8900
March 201273.9Not deficientGoodGoodGood8900
March 201073.9Not deficientGoodGoodGood8900
March 200759.5Structurally deficientPoorFairFair8900
February 200561.4Not deficientFairFairSatisfactory9800
March 200361.4Not deficientFairFairSatisfactory9800
January 200161.4Functionally obsoleteFairFairGood9800
January 199962.5Functionally obsoleteSatisfactoryFairGood9800
October 199662.5Functionally obsoleteSatisfactoryFairGood9800
December 199362.8Functionally obsoleteSatisfactoryFairGood9800