HANOVER STREET over MIDDLE BRANCH

Map 

Facts 

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:	Local (Urban) [19]
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:	36.7 ft. [11.2 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]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	14,220 [as of 2007]
Truck traffic:	8% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
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 is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:	50.5 tons [45.9 metric tons]
Inventory rating:	32.7 tons [29.7 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	76.1
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$769,000

2000 Inspection 

Status:	Open, posting recommended but not legally implemented [B]
Average daily traffic:	12,700 [as of 1994]
Truck traffic:	8% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Fair [5 out of 9]
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 is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:	50.5 tons [45.9 metric tons]
Inventory rating:	32.7 tons [29.7 metric tons]
Sufficiency rating:	76.3
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$167,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	20,704 [as of 1988]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Serious [3 out of 9]
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]
Scour condition:	Bridge not over waterway. [N]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	23.0
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

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