ST 9 HUNTINGTN AV over COMB I 90 & MBTA/CSX

Map

Coordinates:
+42.34778, -71.07889
42°20'52" N, 71°04'44" W

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

Name:	ST 9 HUNTINGTN AV over COMB I 90 & MBTA/CSX
Structure number:	B160494T8DOTNBI
Location:	.1 MI S.PRU CENTER S57
Purpose:	Carries highway and pedestrian walkway over highway and railroad
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	79.1 ft. `[24.1 m]`
Total length:	307.1 ft. `[93.6 m]`
Roadway width between curbs:	101.1 ft. `[30.8 m]`
Deck width edge-to-edge:	123.4 ft. `[37.6 m]`
Vertical clearance below bridge:	14.8 ft. `[4.5 m]`
Skew angle:	51°
Owner:	State Highway Agency `[01]`
Year built:	1965
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:	5
Main spans material:	Steel `[3]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	42,900 `[as of 2015]`
Truck traffic:	11% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Satisfactory `[6 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:	Superior to present desirable criteria `[9]`
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:	45.9 tons `[41.7 metric tons]`
Inventory rating:	37.1 tons `[33.7 metric tons]`
Sufficiency rating:	71.6
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$19,898,000

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
June 2015	71.6	Fair	Fair	Satisfactory	Fair	FO	42900
June 2013	78.8	Fair	Fair	Satisfactory	Fair	FO	18000
March 2011	75.3	Fair	Fair	Satisfactory	Fair	FO	19900
March 2009	75.3	Fair	Fair	Satisfactory	Fair	FO	19900

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.	4,522	4,052	470	0	0
Steel Protective Coating	sq. ft.	1,998	1,998	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	32,460	27,261	5,199	0	0
Substructure
Reinforced Concrete Column	each	38	28	10	0	0
Reinforced Concrete Pier Wall	linear ft.	510	459	51	0	0
Reinforced Concrete Abutment	linear ft.	425	0	212	213	0
Reinforced Concrete Pier Cap	linear ft.	170	0	85	85	0
Joints
Strip Seal Joint	linear ft.	550	440	110	0	0
Compression Joint	linear ft.	1,260	126	756	0	378
Bearings
Movable Bearing	each	95	0	95	0	0
Steel Protective Coating	sq. ft.	999	999	0	0	0
Fixed Bearing	each	95	0	95	0	0
Steel Protective Coating	sq. ft.	999	999	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	300	300	0	0	0
Reinforced Concrete Bridge Rail	linear ft.	300	300	0	0	0
Deck
Other Material Deck	sq. ft.	2,660	0	2,660	0	0