RTE 9A over Henry Hudson Parkway Sou


+40.87823, -73.92158
40°52'42" N, 73°55'18" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:RTE 9A over Henry Hudson Parkway Sou
Structure number:000000005521258
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Tolls:Yes [1]
Length of largest span:59.7 ft. [18.2 m]
Total length:2408.9 ft. [734.2 m]
Roadway width between curbs:46.9 ft. [14.3 m]
Deck width edge-to-edge:51.2 ft. [15.6 m]
Vertical clearance above deck:12.8 ft. [3.9 m]
Vertical clearance below bridge:142.7 ft. [43.5 m]
Skew angle:31°
Owner:Local Toll Authority [32]
Year built:1937
Year reconstructed:2013
Historic significance:Historical significance is not determinable at this time [4]
Design load:M 18 / H 20 [4]
Number of main spans:72
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2015 

Status:Open, no restriction [A]
Average daily traffic:60,918 [as of 2014]
Truck traffic:4% 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: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:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:46.9 tons [42.6 metric tons]
Inventory rating:25.0 tons [22.7 metric tons]
Sufficiency rating:61.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$101,371,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201561.2Not deficientSatisfactorySatisfactorySatisfactory60918
September 201361.2Not deficientSatisfactorySatisfactorySatisfactory30639
September 201139.2Functionally obsoleteSatisfactoryFairSatisfactory30650
September 200939.2Functionally obsoleteSatisfactoryFairFair31301
August 200739.2Functionally obsoleteSatisfactoryFairFair33221
August 200536.3Functionally obsoleteSatisfactoryFairFair115094
October 200336.3Functionally obsoleteSatisfactoryFairFair115094
September 200136.1Functionally obsoleteGoodFairFair115094
August 199946.1Functionally obsoleteGoodSatisfactorySatisfactory129641
July 19972.0Structurally deficientSeriousSeriousSerious56000
October 19952.0Structurally deficientSeriousSeriousSerious51800
June 19942.0Structurally deficientSeriousSeriousSerious47634
October 19922.0Structurally deficientSeriousSeriousPoor52400
October 19902.0Structurally deficientPoorSeriousPoor52400