ST145 REV BCH PKWY over RR MBTA/BMRR

Map

Coordinates:
+42.40493, -71.00451
42°24'18" N, 71°00'16" W

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

Name:	ST145 REV BCH PKWY over RR MBTA/BMRR
Structure number:	R050014DBDOTNBI
Location:	.1 MI E OF ST 1A
Purpose:	Carries highway and pedestrian walkway over railroad
Route classification:	Minor Arterial (Urban) `[16]`
Length of largest span:	97.4 ft. `[29.7 m]`
Total length:	100.4 ft. `[30.6 m]`
Roadway width between curbs:	71.9 ft. `[21.9 m]`
Deck width edge-to-edge:	77.4 ft. `[23.6 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	12°
Owner:	State Highway Agency `[01]`
Year built:	1899
Year reconstructed:	2015
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Main span material:	Steel `[3]`
Main span design:	Truss - Thru `[10]`
Deck type:	Concrete Precast Panels `[2]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	31,000 `[as of 2015]`
Truck traffic:	1% of total traffic
Deck condition:	Very Good `[8 out of 9]`
Superstructure condition:	Very Good `[8 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Underclearances appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Roadway alignment appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	82.8

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
December 2017	Fair	Very Good	Very Good	Satisfactory	31000	82.8
December 2015	Fair	Very Good	Very Good	Satisfactory	31000	31.6
December 2013	Poor	Fair	Serious	Satisfactory	77000	17.0
September 2011	Poor	Fair	Serious	Satisfactory	77000	17.0
September 2009	Poor	Fair	Poor	Satisfactory	44000	17.0

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Deck
Reinforced Concrete Deck	sq. ft.	700	665	35	0	0
Superstructure
Steel Truss	linear ft.	390	349	41	0	0
Steel Protective Coating	sq. ft.	11,906	11,906	0	0	0
Deck
Prestressed Concrete Deck	sq. ft.	14,868	14,868	0	0	0
Wearing Surfaces	sq. ft.	14,724	14,724	0	0	0
Superstructure
Steel Floor Beam	linear ft.	870	870	0	0	0
Steel Protective Coating	sq. ft.	7,462	7,462	0	0	0
Substructure
Masonry Abutment	linear ft.	212	212	0	0	0
Joints
Pourable Joint	linear ft.	76	51	20	5	0
Bearings
Movable Bearing	each	4	4	0	0	0
Steel Protective Coating	sq. ft.	34	34	0	0	0
Fixed Bearing	each	4	4	0	0	0
Steel Protective Coating	sq. ft.	34	34	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	410	410	0	0	0
Steel Protective Coating	sq. ft.	1,744	1,744	0	0	0