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I 93 NB over I 93 SB BT 61 - B5

Map 

Coordinates:
+42.37972, -71.07639
42°22'47" N, 71°04'35" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:I 93 NB over I 93 SB BT 61 - B5
Structure number:B162813BQDOTNBI
Location:.5 MI N OF JCT 193&US1
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:83.0 ft. [25.3 m]
Total length:486.9 ft. [148.4 m]
Roadway width between curbs:62.0 ft. [18.9 m]
Deck width edge-to-edge:68.9 ft. [21.0 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1970
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:6
Main spans material:Steel [3]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2014 

Status:Open, no restriction [A]
Average daily traffic:74,200 [as of 2014]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 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:Superior to present desirable criteria [9]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.2 tons [53.8 metric tons]
Inventory rating:35.4 tons [32.2 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:74.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$11,299,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201474.5Functionally obsoleteSatisfactoryFairFair74200
April 201276.2Functionally obsoleteSatisfactoryFairFair59900
April 201076.2Functionally obsoleteSatisfactoryFairFair59900
April 200876.2Functionally obsoleteSatisfactoryFairFair59900