HWY SOUTHMPTN ST over I 93 /US1/ST3

Map

Coordinates:
+42.33000, -71.06167
42°19'48" N, 71°03'42" 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:	14.4 ft. `[4.4 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:	43,100 `[as of 2016]`
Truck traffic:	9% 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]`
Operating rating:	47.2 tons `[42.9 metric tons]`
Inventory rating:	41.5 tons `[37.7 metric tons]`
Sufficiency rating:	88.8
Recommended work:	Other structural work, including hydraulic replacements. `[38]`
Estimated cost of work:	$1,945,000

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
March 2016	88.8	Fair	Satisfactory	Satisfactory	Satisfactory	FO	43100
March 2014	77.7	Fair	Satisfactory	Fair	Good	FO	37600
March 2012	77.7	Fair	Satisfactory	Fair	Fair	FO	37600
March 2010	77.5	Fair	Satisfactory	Fair	Fair	FO	39200

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.	3,377	0	3,377	0	0
Steel Protective Coating	sq. ft.	1,998	1,998	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	18,416	17,355	1,061	0	0
Substructure
Reinforced Concrete Column	each	18	18	0	0	0
Reinforced Concrete Abutment	linear ft.	140	68	70	2	0
Reinforced Concrete Pier Cap	linear ft.	210	210	0	0	0
Joints
Compression Joint	linear ft.	162	0	162	0	0
Bearings
Movable Bearing	each	48	0	48	0	0
Steel Protective Coating	sq. ft.	999	999	0	0	0
Fixed Bearing	each	48	0	48	0	0
Steel Protective Coating	sq. ft.	999	999	0	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	616	0	616	0	0
Steel Protective Coating	sq. ft.	999	999	0	0	0