ST147 MEMORIAL AVE over COMB AMTRAK & CONN RIV

Map 

Facts 

Name:	ST147 MEMORIAL AVE over COMB AMTRAK & CONN RIV
Structure number:	S2403015BDOTNBI
Location:	MEMRL BR RR#61.43
Purpose:	Carries highway and pedestrian walkway over railroad and waterway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	209.0 ft. [63.7 m]
Total length:	1515.2 ft. [461.8 m]
Roadway width between curbs:	60.0 ft. [18.3 m]
Deck width edge-to-edge:	82.7 ft. [25.2 m]
Vertical clearance below bridge:	18.7 ft. [5.7 m]
Owner:	State Highway Agency [01]
Year built:	1922
Year reconstructed:	1996
Historic significance:	Bridge is eligible for the National Register of Historic Places [2]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	7
Main spans material:	Concrete [1]
Main spans design:	Arch - Deck [11]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	23,800 [as of 2006]
Truck traffic:	10% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Fair [5 out of 9]
Channel protection:	Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:	77.1 tons [70.1 metric tons]
Inventory rating:	46.3 tons [42.1 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	77.9
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$48,428,000

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