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HANOVER STREET over MIDDLE BRANCH

Map

Coordinates:
+39.25986, -76.61543
39°15'36" N, 76°36'56" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HANOVER STREET over MIDDLE BRANCH
Structure number:200000BC5210010
Location:0.5 MI S OF I 95
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:229.0 ft. [69.8 m]
Total length:2023.1 ft. [616.6 m]
Roadway width between curbs:60.0 ft. [18.3 m]
Deck width edge-to-edge:71.9 ft. [21.9 m]
Vertical clearance below bridge:37.1 ft. [11.3 m]
Owner:City or Municipal Highway Agency [04]
Year built:1916
Year reconstructed:1992
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
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:Poor
Status:Open, no restriction [A]
Average daily traffic:14,220 [as of 2016]
Truck traffic:8% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:46.9 tons [42.6 metric tons]
Inventory rating:27.9 tons [25.4 metric tons]
Sufficiency rating:51.2
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$769,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201651.2PoorPoorPoorFairSD14220
March 201556.3PoorPoorPoorFairSD14220
March 201475.2FairFairFairFairFO14220
March 201375.2FairFairFairFairFO14220
March 201276.1FairSatisfactoryFairFairFO14220
March 201175.0FairFairFairFairFO14220
December 200976.1FairSatisfactoryFairFairFO14220
May 200876.1FairSatisfactoryFairFairFO14220
May 200676.1FairSatisfactoryFairFairFO14220
January 200476.1FairSatisfactoryFairFairFO14220
December 200376.1FairSatisfactoryFairFairFO14220
December 200176.1FairSatisfactoryFairFairFO14220
February 200076.3FairSatisfactoryFairFair-12700
January 199876.3FairGoodFairFair-12700
September 199576.2FairGoodFairFair-12700
November 199274.7FairGoodFairFair-20704
November 199123.0PoorGoodPoorSeriousSD20704

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Prestressed Concrete Closed Web/Box Girderlinear ft.31,15730,8861803457
Steel Girder/Beamlinear ft.4400385550
Steel Protective Coatingsq. ft.9,88902,4736,922494
Steel Stringerlinear ft.2,51802,51800
Steel Protective Coatingsq. ft.12,622012,62200
Deck
Reinforced Concrete Decksq. ft.148,374142,3743,0003,0000
Wearing Surfacessq. ft.123,645117,6453,0003,0000
Superstructure
Reinforced Concrete Archlinear ft.13,360010,0003,3600
Steel Floor Beamlinear ft.953617321150
Steel Protective Coatingsq. ft.11,2545,6275,62700
Reinforced Concrete Floor Beamlinear ft.13,13113,07430270
Steel Pin or Pin & Hangar Assemblyeach120120000
Steel Protective Coatingsq. ft.99874825000
Substructure
Reinforced Concrete Columneach10089380
Reinforced Concrete Pier Walllinear ft.5200466540
Reinforced Concrete Abutmentlinear ft.180173160
Deck
Open Grid Decksq. ft.9,00006,7502,2500
Concrete Filled Grid Decksq. ft.2,30002,244560
Joints
Strip Seal Jointlinear ft.9608850750
Bearings
Movable Bearingeach2730247026
Fixed Bearingeach272027101
Steel Protective Coatingsq. ft.544054400
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.300300000
Other Material Bridge Raillinear ft.4,1203,52060000