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BLAKE STREET over 38TH STREET

Map 

Coordinates:
+39.77092, -104.97289
39°46'15" N, 104°58'22" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:BLAKE STREET over 38TH STREET
Structure number:D-04-BOST-050
Location:BLAKE STREET OVER 38TH ST
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:44.0 ft. [13.4 m]
Total length:50.5 ft. [15.4 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:55.1 ft. [16.8 m]
Vertical clearance below bridge:14.1 ft. [4.3 m]
Owner:City or Municipal Highway Agency [04]
Year built:1955
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2014 

Status:Open, no restriction [A]
Average daily traffic:669 [as of 2013]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 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:Equal to present minimum criteria [6]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:33.6 tons [30.5 metric tons]
Inventory rating:20.1 tons [18.3 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:64.7
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$205,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201464.7Functionally obsoleteSatisfactorySatisfactoryFair669
November 201264.7Functionally obsoleteSatisfactorySatisfactoryFair669
November 201074.5Functionally obsoleteSatisfactorySatisfactorySatisfactory2386
November 200874.5Functionally obsoleteSatisfactorySatisfactorySatisfactory2386
September 200674.5Functionally obsoleteSatisfactorySatisfactorySatisfactory2329
August 200474.5Functionally obsoleteSatisfactorySatisfactorySatisfactory2329
November 200274.1Functionally obsoleteSatisfactoryGoodSatisfactory2329