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MISSION ST over SOUTH 21ST STREET

Map 

Coordinates:
+40.42358, -79.97669
40°25'25" N, 79°58'36" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

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 2014 

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:26.8 tons [24.4 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:48.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201448.9Structurally deficientFairFairPoor650
September 201249.4Structurally deficientSatisfactoryFairPoor650
September 201149.4Structurally deficientSatisfactoryFairPoor650
September 201050.1Structurally deficientSatisfactoryFairPoor650
September 200966.1Not deficientSatisfactoryFairFair650
September 200866.1Not deficientSatisfactoryFairFair650
September 200762.1Functionally obsoleteSatisfactoryFairFair650
August 200662.1Functionally obsoleteSatisfactoryFairFair650
September 200561.8Functionally obsoleteSatisfactoryFairFair650
October 200461.8Functionally obsoleteSatisfactoryFairFair650
November 200361.8Functionally obsoleteSatisfactoryFairFair650
December 200261.8Functionally obsoleteSatisfactoryFairFair650
November 200161.8Functionally obsoleteSatisfactoryFairFair650
December 200061.8Functionally obsoleteSatisfactoryFairFair650
November 199961.8Functionally obsoleteSatisfactorySatisfactoryFair650
November 199861.8Functionally obsoleteGoodSatisfactoryFair650
December 199757.8Functionally obsoleteFairSatisfactoryFair650
December 199659.0Functionally obsoleteFairSatisfactoryFair650
August 199560.5Functionally obsoleteFairSatisfactoryFair650
May 199424.2Functionally obsoleteFairFairFair650
May 199324.2Functionally obsoleteFairFairFair650
May 199224.2Functionally obsoleteFairFairSatisfactory623
May 199124.3Functionally obsoleteFairFairSatisfactory600