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STH 181-N 76TH ST over LRD W SILVER SPRING DR

Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:STH 181-N 76TH ST over LRD W SILVER SPRING DR
Structure number:B40014600000000
Location:0.2M N JCT STH 145 TO N
Purpose:Carries highway and pedestrian walkway over highway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:44.0 ft. [13.4 m]
Total length:155.8 ft. [47.5 m]
Roadway width between curbs:91.9 ft. [28.0 m]
Deck width edge-to-edge:109.9 ft. [33.5 m]
Vertical clearance below bridge:14.8 ft. [4.5 m]
Owner:State Highway Agency [01]
Year built:1964
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Concrete continuous [2]
Main spans design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Low slump Concrete [4]

Latest Available Inspection: August 2014 

Status:Open, no restriction [A]
Average daily traffic:28,400 [as of 2013]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Superior to present desirable criteria [9]
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:41.4 tons [37.6 metric tons]
Inventory rating:23.2 tons [21.1 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:56.6
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,244,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201456.6Functionally obsoleteFairFairFair28400
August 201253.6Functionally obsoleteFairFairFair34300
August 201048.2Functionally obsoleteFairFairSatisfactory34600
August 200848.2Functionally obsoleteFairFairSatisfactory34600
October 200648.2Functionally obsoleteFairFairSatisfactory34600
October 200448.7Functionally obsoleteSatisfactoryFairSatisfactory40600
October 200248.7Functionally obsoleteSatisfactoryFairSatisfactory40600
November 200056.3Functionally obsoleteSatisfactorySatisfactorySatisfactory40600
July 199956.8Functionally obsoleteSatisfactorySatisfactorySatisfactory37100
August 199856.8Functionally obsoleteSatisfactorySatisfactorySatisfactory37100
April 199656.8Not deficientSatisfactorySatisfactorySatisfactory37100
February 199659.4Not deficientGoodSatisfactorySatisfactory37100
January 199559.4Not deficientSatisfactorySatisfactorySatisfactory37100
February 199459.8Not deficientSatisfactorySatisfactorySatisfactory33810
February 199359.8Not deficientSatisfactorySatisfactorySatisfactory33810
January 199259.8Not deficientSatisfactorySatisfactorySatisfactory33810