21st Street over Vine Street Expy (I-676)


+39.95940, -75.17390
39°57'34" N, 75°10'26" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:21st Street over Vine Street Expy (I-676)
Structure number:000000000039128
Old structure number:677301002102530 (from 1992 edition)
Location:S.BEN FRANK.PWY. 28E11
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:69.9 ft. [21.3 m]
Total length:127.0 ft. [38.7 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:66.9 ft. [20.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:99°
Owner:City or Municipal Highway Agency [04]
Year built:1958
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Prestressed concrete [5]
Main spans design:Box beam or girders - Multiple [05]
Deck type:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2014 

Status:Open, no restriction [A]
Average daily traffic:9,300 [as of 1980]
Truck traffic:1% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Better than present minimum criteria [7]
Underclearances appraisal:Basically intolerable requiring high priority of replacement [2]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:26.8 tons [24.4 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:42.4
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
October 201442.4Structurally deficientFairSeriousFair9300
October 201249.9Structurally deficientFairSeriousFair9300
October 201049.8Structurally deficientFairSeriousSatisfactory9300
October 200949.8Structurally deficientFairSeriousSatisfactory9300
October 200849.8Structurally deficientFairSeriousSatisfactory9300
October 200649.8Structurally deficientFairSeriousSatisfactory9300
October 200472.5Functionally obsoleteSatisfactorySatisfactorySatisfactory9300
October 200272.5Functionally obsoleteSatisfactorySatisfactorySatisfactory9300
October 200075.5Functionally obsoleteSatisfactorySatisfactorySatisfactory9300
October 199875.5Functionally obsoleteSatisfactorySatisfactorySatisfactory9300
October 199694.8Functionally obsoleteSatisfactorySatisfactorySatisfactory9300
October 199495.3Functionally obsoleteSatisfactorySatisfactorySatisfactory9300
October 199295.3Functionally obsoleteSatisfactorySatisfactorySatisfactory9300
October 199081.1Functionally obsoleteFairFairVery Good9300