ST 2 A/MASS AVE over COMB STRW DR & CHAS RIV

Map

Coordinates:
+42.35439, -71.09120
42°21'16" N, 71°05'28" W

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

Name:	ST 2 A/MASS AVE over COMB STRW DR & CHAS RIV
Structure number:	B160124EYDOTNBI
Location:	.8 MI E OF BU BRIDGE
Purpose:	Carries highway and pedestrian walkway over highway and waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	105.3 ft. `[32.1 m]`
Total length:	2171.4 ft. `[661.8 m]`
Roadway width between curbs:	51.8 ft. `[15.8 m]`
Deck width edge-to-edge:	74.2 ft. `[22.6 m]`
Vertical clearance below bridge:	9.8 ft. `[3.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1891
Year reconstructed:	1990
Historic significance:	Bridge is on the National Register of Historic Places `[1]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	25
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:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	38,000 `[as of 2017]`
Truck traffic:	8% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Underclearances appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
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:	Navigation protection not required `[1]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	64.8
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$51,857,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2017	Good	Good	Good	Good	38000	64.8
May 2015	Good	Good	Good	Good	27500	68.7
May 2013	Good	Good	Good	Good	28433	68.4
May 2011	Good	Good	Good	Good	49000	64.0
May 2009	Good	Good	Very Good	Good	49000	64.0

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	12,986	12,906	80	0	0
Steel Protective Coating	sq. ft.	190,293	189,543	300	250	200
Steel Stringer	linear ft.	4,302	4,302	0	0	0
Steel Protective Coating	sq. ft.	18,056	18,056	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	118,334	116,968	1,183	183	0
Wearing Surfaces	sq. ft.	112,906	112,862	36	8	0
Superstructure
Steel Floor Beam	linear ft.	56	50	6	0	0
Steel Protective Coating	sq. ft.	1,280	1,263	2	5	10
Substructure
Reinforced Concrete Column	each	2	2	0	0	0
Masonry Pier Wall	linear ft.	1,711	1,706	5	0	0
Masonry Abutment	linear ft.	155	77	78	0	0
Joints
Strip Seal Joint	linear ft.	145	140	0	0	5
Assembly with Seal	each	297	297	0	0	0
Open Joint	linear ft.	134	134	0	0	0
Bearings
Movable Bearing	each	150	73	58	19	0
Steel Protective Coating	sq. ft.	450	315	45	45	45
Fixed Bearing	each	26	23	3	0	0
Steel Protective Coating	sq. ft.	78	78	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	8,657	8,188	463	6	0
Steel Protective Coating	sq. ft.	12,992	9,095	974	2,923	0
Reinforced Concrete Bridge Rail	linear ft.	4,329	3,462	649	216	2