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ST 28 SB/CLARENDON over COMB I 90 &CSX &ORNG LN

Map

Coordinates:
+42.34778, -71.07417
42°20'52" N, 71°04'27" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ST 28 SB/CLARENDON over COMB I 90 &CSX &ORNG LN
Structure number:B160474TCDOTNBI
Location:.5 MI S. STORROW DR S64
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Minor Arterial (Urban) [16]
Length of largest span:48.9 ft. [14.9 m]
Total length:147.0 ft. [44.8 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:62.3 ft. [19.0 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:70°
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:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,600 [as of 2015]
Truck traffic:7% 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: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:59.0 tons [53.6 metric tons]
Inventory rating:35.3 tons [32.1 metric tons]
Sufficiency rating:55.3
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$4,592,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201755.3FairFairSatisfactoryFairFO11600
January 201556.5FairFairSatisfactoryFairFO8900
January 201356.5FairFairSatisfactoryFairFO8900
January 201156.5FairFairSatisfactoryFairFO8900
July 201056.5FairFairSatisfactoryFairFO8900
July 200856.5FairFairSatisfactoryFairFO8900

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,64401,64400
Steel Protective Coatingsq. ft.1,9981,998000
Deck
Reinforced Concrete Decksq. ft.11,67510,1431,53200
Wearing Surfacessq. ft.7,8996,5561,34300
Substructure
Reinforced Concrete Columneach42110
Reinforced Concrete Pier Walllinear ft.2030129740
Reinforced Concrete Abutmentlinear ft.74445250
Reinforced Concrete Pier Caplinear ft.1324066260
Joints
Strip Seal Jointlinear ft.174878700
Bearings
Movable Bearingeach4593600
Steel Protective Coatingsq. ft.1,9981,998000
Fixed Bearingeach1841400
Steel Protective Coatingsq. ft.999999000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.193979600