HWY SOUTHMPTN ST over I 93 /US1/ST3

Map

Coordinates:
+42.33034, -71.06127
42°19'49" N, 71°03'41" W

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

Name:	HWY SOUTHMPTN ST over I 93 /US1/ST3
Structure number:	B162723F6DOTNBI
Location:	1.1 KM S OF JCT I90&93
Purpose:	Carries highway and pedestrian walkway over highway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	90.9 ft. `[27.7 m]`
Total length:	277.9 ft. `[84.7 m]`
Roadway width between curbs:	54.1 ft. `[16.5 m]`
Deck width edge-to-edge:	69.9 ft. `[21.3 m]`
Vertical clearance below bridge:	13.1 ft. `[4.0 m]`
Skew angle:	50°
Owner:	State Highway Agency `[01]`
Year built:	1958
Year reconstructed:	1983
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:	4
Main spans material:	Steel `[3]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Latex Concrete or similar additive `[3]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	39,400 `[as of 2018]`
Truck traffic:	7% of total traffic
Deck condition:	Satisfactory `[6 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:	Superior to present desirable criteria `[9]`
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:	89.1
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$1,832,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2018	Fair	Satisfactory	Satisfactory	Satisfactory	39400	89.1
March 2016	Fair	Satisfactory	Satisfactory	Satisfactory	43100	88.8
March 2014	Fair	Satisfactory	Fair	Good	37600	77.7
March 2012	Fair	Satisfactory	Fair	Fair	37600	77.7
March 2010	Fair	Satisfactory	Fair	Fair	39200	77.5

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.	3,338	2,784	554	0	0
Steel Protective Coating	sq. ft.	32,195	32,195	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	18,416	18,322	94	0	0
Wearing Surfaces	sq. ft.	15,044	14,994	50	0	0
Substructure
Reinforced Concrete Column	each	18	0	18	0	0
Concrete Protective Coating	sq. ft.	2,016	2,016	0	0	0
Reinforced Concrete Abutment	linear ft.	140	99	41	0	0
Concrete Protective Coating	sq. ft.	1,120	1,120	0	0	0
Reinforced Concrete Pier Cap	linear ft.	210	198	12	0	0
Concrete Protective Coating	sq. ft.	1,632	1,632	0	0	0
Joints
Strip Seal Joint	linear ft.	54	0	0	54	0
Compression Joint	linear ft.	108	108	0	0	0
Bearings
Movable Bearing	each	49	39	10	0	0
Steel Protective Coating	sq. ft.	196	196	0	0	0
Fixed Bearing	each	48	48	0	0	0
Steel Protective Coating	sq. ft.	192	192	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	616	0	616	0	0
Steel Protective Coating	sq. ft.	5,544	0	5,544	0	0