MIFFLIN RD over SR 8059


+40.39157, -79.93436
40°23'30" N, 79°56'04" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:MIFFLIN RD over SR 8059
Structure number:000000000001307
Old structure number:020885023000000 (from 1992 edition)
Purpose:Carries highway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:55.1 ft. [16.8 m]
Total length:60.0 ft. [18.3 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:45.6 ft. [13.9 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:45°
Owner:State Highway Agency [01]
Year built:1967
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2015 

Status:Open, no restriction [A]
Average daily traffic:5,280 [as of 2015]
Truck traffic:8% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.9 tons [57.2 metric tons]
Inventory rating:37.0 tons [33.6 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:46.1
Recommended work:Other structural work, including hydraulic replacements. [38]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201546.1Structurally deficientPoorFairPoor5280
July 201346.1Structurally deficientPoorFairPoor5338
July 201146.0Structurally deficientPoorPoorPoor5509
July 200943.3Structurally deficientPoorPoorPoor6797
July 200745.2Structurally deficientPoorPoorPoor7611
July 200556.0Structurally deficientPoorPoorPoor7416
July 200356.1Structurally deficientPoorPoorPoor6984
July 200148.0Structurally deficientPoorPoorFair8942
July 199948.1Structurally deficientPoorPoorFair8784
July 199747.3Structurally deficientPoorPoorFair8460
July 199546.8Structurally deficientPoorPoorFair9386
July 199359.2Structurally deficientPoorFairFair7967
July 199159.3Structurally deficientPoorFairFair7521