HWY W FOURTH ST over COMB FNDRY ST&MBTA&AMTK

Map

Coordinates:
+42.34167, -71.05917
42°20'30" N, 71°03'33" W

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

Name:	HWY W FOURTH ST over COMB FNDRY ST&MBTA&AMTK
Structure number:	B161263FHDOTNBI
Location:	1.6 KM SE OF JCT I93&90
Purpose:	Carries highway and pedestrian walkway over highway and railroad
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	86.0 ft. `[26.2 m]`
Total length:	523.0 ft. `[159.4 m]`
Roadway width between curbs:	44.0 ft. `[13.4 m]`
Deck width edge-to-edge:	58.7 ft. `[17.9 m]`
Vertical clearance below bridge:	14.1 ft. `[4.3 m]`
Owner:	State Highway Agency `[01]`
Year built:	1893
Year reconstructed:	1990
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	7
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	20,900 `[as of 2016]`
Truck traffic:	13% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Underclearances appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Scour condition:	Bridge not over waterway. `[N]`
Operating rating:	75.2 tons `[68.4 metric tons]`
Inventory rating:	45.1 tons `[41.0 metric tons]`
Sufficiency rating:	89.9
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$3,077,000

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
October 2016	89.9	Fair	Satisfactory	Good	Satisfactory	FO	20900
October 2014	88.5	Fair	Satisfactory	Good	Satisfactory	FO	30250
October 2012	90.8	Fair	Satisfactory	Good	Good	FO	15000
October 2010	89.8	Fair	Satisfactory	Very Good	Good	FO	21600
October 2008	89.8	Fair	Satisfactory	Very Good	Good	FO	21600

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

Element	Units	Quantity	1. Good	2. Fair	3. Poor	4. Serious
Superstructure
Steel Girder/Beam	linear ft.	4,094	4,074	20	0	0
Steel Protective Coating	sq. ft.	1,998	1,998	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	30,713	28,251	2,462	0	0
Wearing Surfaces	sq. ft.	22,992	21,842	1,150	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	48	48	0	0	0
Masonry Pier Wall	linear ft.	240	96	144	0	0
Reinforced Concrete Abutment	linear ft.	60	53	7	0	0
Masonry Abutment	linear ft.	60	60	0	0	0
Joints
Compression Joint	linear ft.	132	0	0	0	132
Bearings
Movable Bearing	each	56	56	0	0	0
Steel Protective Coating	sq. ft.	1,998	1,998	0	0	0
Fixed Bearing	each	24	24	0	0	0
Steel Protective Coating	sq. ft.	999	999	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	1,046	1,016	30	0	0