Share:

I 90 WB over US 20 N BEACON ST

Map

Coordinates:
+42.35778, -71.15528
42°21'28" N, 71°09'19" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 90 WB over US 20 N BEACON ST
Structure number:B160604RKDOTNBI
Location:.2 MI S. CHARLES RV S39
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Tolls:Yes, on toll road [2]
Length of largest span:60.0 ft. [18.3 m]
Total length:124.0 ft. [37.8 m]
Roadway width between curbs:52.5 ft. [16.0 m]
Deck width edge-to-edge:57.4 ft. [17.5 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1964
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]

Latest Available Inspection: January 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:35,620 [as of 2017]
Truck traffic:12% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 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 replacement [2]
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:62.4 tons [56.7 metric tons]
Inventory rating:37.4 tons [34.0 metric tons]
Sufficiency rating:48.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,572,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201648.0PoorPoorFairFairSD35620
January 201448.0PoorPoorFairFairSD104393
January 201248.0PoorPoorFairFairSD104393
February 201048.0PoorPoorSatisfactoryFairSD104393
September 200759.0PoorPoorSatisfactorySatisfactorySD105465

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.960095730
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.7,2833,4111,2382,6340
Wearing Surfacessq. ft.7,1205,9101,21000
Substructure
Reinforced Concrete Columneach50230
Reinforced Concrete Abutmentlinear ft.1600140200
Reinforced Concrete Pier Caplinear ft.80070100
Joints
Compression Jointlinear ft.1606050050
Bearings
Movable Bearingeach1601600
Steel Protective Coatingsq. ft.999999000
Fixed Bearingeach1601600
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.250249010
Reinforced Concrete Bridge Raillinear ft.25001251250