HWY ADAMS ST over WATER NEPONSET RIVER

Map

Coordinates:
+42.27097, -71.06815
42°16'15" N, 71°04'05" W

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

Name:	HWY ADAMS ST over WATER NEPONSET RIVER
Structure number:	B16003381MUNNBI
Old structure number:	381MUN896003100 `(from 1992 edition)`
Location:	OVER NEPONSET RIV AT MILT
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	32.2 ft. `[9.8 m]`
Total length:	119.1 ft. `[36.3 m]`
Roadway width between curbs:	42.3 ft. `[12.9 m]`
Deck width edge-to-edge:	59.7 ft. `[18.2 m]`
Skew angle:	22°
Owner:	City or Municipal Highway Agency `[04]`
Year built:	1765
Year reconstructed:	2006
Historic significance:	Bridge is on the National Register of Historic Places `[1]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	2
Main spans material:	Masonry `[8]`
Main spans design:	Arch - Deck `[11]`
Deck type:	Other `[9]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	30,800 `[as of 2018]`
Truck traffic:	3% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Channel protection:	Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. `[6]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	94.0
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$226,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
November 2018	Fair	Good	Satisfactory	Satisfactory	30800	94.0
November 2016	Fair	Good	Satisfactory	Satisfactory	29200	94.2
November 2014	Fair	Good	Satisfactory	Satisfactory	27200	94.4
November 2012	Fair	Good	Satisfactory	Satisfactory	23000	94.8
November 2010	Fair	Good	Satisfactory	Satisfactory	21600	94.9
November 2008	Fair	Good	Satisfactory	Satisfactory	21600	94.9
October 2006	Fair	Good	Satisfactory	Satisfactory	20160	94.1
November 2004	Poor	Serious	Critical	Poor	19900	25.7
November 2002	Poor	Serious	Critical	Poor	19900	25.7
December 2000	Poor	Serious	Critical	Poor	19900	25.7
December 1998	Poor	Serious	Critical	Poor	19900	25.7
February 1996	Poor	Serious	Serious	Poor	19900	27.5

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.	125	0	125	0	0
Steel Protective Coating	sq. ft.	2,500	2,000	500	0	0
Prestressed Concrete Girder/Beam	linear ft.	354	258	90	6	0
Deck
Reinforced Concrete Deck	sq. ft.	9,688	9,682	5	1	0
Wearing Surfaces	sq. ft.	7,212	6,312	900	0	0
Superstructure
Masonry Arch	linear ft.	111	80	31	0	0
Prestressed Concrete Floor Beam	linear ft.	801	801	0	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	33	23	10	0	0
Masonry Pier Wall	linear ft.	108	0	108	0	0
Masonry Abutment	linear ft.	56	0	56	0	0
Culvert
Masonry Culvert	linear ft.	82	78	0	0	4
Bearings
Elastomeric Bearing	each	24	24	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	351	351	0	0	0
Steel Protective Coating	sq. ft.	999	999	0	0	0