HWY COLUMBIA RD over COMB OLD COLNY&MBTA&RED

Map

Coordinates:
+42.32141, -71.05251
42°19'17" N, 71°03'09" W

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

Name:	HWY COLUMBIA RD over COMB OLD COLNY&MBTA&RED
Structure number:	B161304ERDOTNBI
Location:	.1 MI E OF ST RTE 3
Purpose:	Carries highway and pedestrian walkway over highway and railroad
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	120.1 ft. `[36.6 m]`
Total length:	224.1 ft. `[68.3 m]`
Roadway width between curbs:	49.9 ft. `[15.2 m]`
Deck width edge-to-edge:	71.9 ft. `[21.9 m]`
Vertical clearance below bridge:	16.4 ft. `[5.0 m]`
Skew angle:	6°
Owner:	State Highway Agency `[01]`
Year built:	1956
Year reconstructed:	1983
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 18 / H 20 `[4]`
Number of main spans:	2
Main spans material:	Steel `[3]`
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:	79,500 `[as of 2016]`
Truck traffic:	3% of total traffic
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Good `[7 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
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:	Equal to present minimum criteria `[6]`
Scour condition:	Bridge not over waterway. `[N]`
Sufficiency rating:	50.6
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$7,828,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
February 2018	Fair	Good	Good	Fair	79500	50.6
February 2016	Fair	Good	Good	Fair	79500	50.6
February 2014	Fair	Good	Good	Fair	71000	51.9
February 2012	Fair	Good	Good	Fair	71000	51.9
February 2010	Fair	Good	Good	Fair	73500	51.5

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	1,573	1,416	157	0	0
Steel Protective Coating	sq. ft.	10,530	9,477	1,053	0	0
Deck
Reinforced Concrete Deck	sq. ft.	8,518	8,092	426	0	0
Wearing Surfaces	sq. ft.	6,292	5,650	545	97	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	72	19	25	28	0
Reinforced Concrete Abutment	linear ft.	165	117	23	25	0
Joints
Compression Joint	linear ft.	82	57	0	15	10
Bearings
Movable Bearing	each	24	0	24	0	0
Steel Protective Coating	sq. ft.	96	0	96	0	0
Fixed Bearing	each	25	25	0	0	0
Steel Protective Coating	sq. ft.	75	75	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	420	420	0	0	0