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HWY NORTH ROTARY over ST 99 SULLIVAN SQ UNDRPS

Suffolk County, Massachusetts

Map

Coordinates:
+42.38537, -71.07351
42°23'07" N, 71°04'25" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	HWY NORTH ROTARY over ST 99 SULLIVAN SQ UNDRPS
Structure number:	B1624537XMUNNBI
Old structure number:	37XMUN896Z45100 `(from 1992 edition)`
Location:	1.6 KM N OF N WSHNGTON ST
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	61.0 ft. `[18.6 m]`
Total length:	61.0 ft. `[18.6 m]`
Roadway width between curbs:	51.8 ft. `[15.8 m]`
Deck width edge-to-edge:	64.6 ft. `[19.7 m]`
Vertical clearance below bridge:	15.1 ft. `[4.6 m]`
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1951
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Main span material:	Concrete `[1]`
Main span design:	Frame `[07]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: February 2016

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	24,700 `[as of 2016]`
Truck traffic:	7% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 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:	Better than present minimum criteria `[7]`
Underclearances appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	42.4 tons `[38.5 metric tons]`
Inventory rating:	25.4 tons `[23.1 metric tons]`
Sufficiency rating:	79.6
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$2,011,000

Previous Inspections

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
February 2016	79.6	Fair	Good	Good	Satisfactory	FO	24700
February 2014	77.2	Fair	Good	Good	Satisfactory	FO	28000
February 2012	78.2	Fair	Good	Good	Satisfactory	FO	28000
February 2010	78.5	Fair	Good	Good	Satisfactory	FO	26800
February 2008	77.5	Fair	Good	Good	Satisfactory	FO	26600
February 2006	77.7	Fair	Good	Good	Satisfactory	FO	25300
February 2004	77.8	Fair	Good	Good	Satisfactory	FO	24500
February 2002	78.7	Fair	Good	Good	Satisfactory	FO	22000
February 2000	79.1	Fair	Good	Good	Satisfactory	FO	20000
February 1998	79.1	Fair	Good	Good	Satisfactory	FO	20000
February 1996	81.2	Good	Good	Good	Good	-	19900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.

Element	Units	Quantity	1. Good	2. Fair	3. Poor	4. Serious
Deck
Reinforced Concrete Deck	sq. ft.	34	32	2	0	0
Substructure
Reinforced Concrete Abutment	linear ft.	136	0	136	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	147	0	147	0	0
Steel Protective Coating	sq. ft.	999	999	0	0	0
Deck
Reinforced Concrete Slab	sq. ft.	3,162	2,972	190	0	0
Wearing Surfaces	sq. ft.	3,162	3,004	158	0	0

© Copyright 2012-18, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1235071