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