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MISSION ST over SOUTH 21ST STREET

Map

Coordinates:
+40.42358, -79.97669
40°25'25" N, 79°58'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MISSION ST over SOUTH 21ST STREET
Structure number:000000000002428
Old structure number:027301000030610 (from 1992 edition)
Location:301061 MISSION ST WEST
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Local (Urban) [19]
Length of largest span:160.1 ft. [48.8 m]
Total length:394.0 ft. [120.1 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Vertical clearance below bridge:46.9 ft. [14.3 m]
Skew angle:12°
Owner:City or Municipal Highway Agency [04]
Year built:1939
Year reconstructed:1982
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2016

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:650 [as of 2010]
Truck traffic:4% of total traffic
Deck condition:Fair [5 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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:44.9 tons [40.8 metric tons]
Inventory rating:27.0 tons [24.5 metric tons]
Sufficiency rating:49.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$755,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201649.0PoorFairFairPoorSD650
September 201448.9PoorFairFairPoorSD650
September 201249.4PoorSatisfactoryFairPoorSD650
September 201149.4PoorSatisfactoryFairPoorSD650
September 201050.1PoorSatisfactoryFairPoorSD650
September 200966.1FairSatisfactoryFairFair-650
September 200866.1FairSatisfactoryFairFair-650
September 200762.1FairSatisfactoryFairFairFO650
August 200662.1FairSatisfactoryFairFairFO650
September 200561.8FairSatisfactoryFairFairFO650
October 200461.8FairSatisfactoryFairFairFO650
November 200361.8FairSatisfactoryFairFairFO650
December 200261.8FairSatisfactoryFairFairFO650
November 200161.8FairSatisfactoryFairFairFO650
December 200061.8FairSatisfactoryFairFairFO650
November 199961.8FairSatisfactorySatisfactoryFairFO650
November 199861.8FairGoodSatisfactoryFairFO650
December 199757.8FairFairSatisfactoryFairFO650
December 199659.0FairFairSatisfactoryFairFO650
August 199560.5FairFairSatisfactoryFairFO650
May 199424.2FairFairFairFairFO650
May 199324.2FairFairFairFairFO650
May 199224.2FairFairFairSatisfactoryFO623
May 199124.3FairFairFairSatisfactoryFO600