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CALVERT STREET over ROCK CREEK & PARK DR

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

Facts 

Name:CALVERT STREET over ROCK CREEK & PARK DR
Structure number:0030
Location:OVER ROCK CREEK, N.W.
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:180.1 ft. [54.9 m]
Total length:756.9 ft. [230.7 m]
Roadway width between curbs:60.0 ft. [18.3 m]
Deck width edge-to-edge:87.9 ft. [26.8 m]
Vertical clearance below bridge:60.0 ft. [18.3 m]
Owner:State Highway Agency [01]
Year built:1933
Year reconstructed:1992
Historic significance:Bridge is on the National Register of Historic Places [1]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete continuous [2]
Main spans design:Arch - Deck [11]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: October 2015 

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:13,900 [as of 2006]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:66.9 tons [60.8 metric tons]
Inventory rating:39.9 tons [36.3 metric tons]
Sufficiency rating:97.7

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201597.7FairGoodSatisfactorySatisfactory-13900
October 201397.7FairGoodSatisfactorySatisfactory-13900
September 201197.7FairSatisfactoryGoodSatisfactory-13900
August 200995.6FairSatisfactoryGoodSatisfactory-13900
September 200795.6GoodGoodGoodGood-14400
August 200595.6GoodGoodGoodGood-14400
January 200395.6GoodGoodGoodGood-14400
December 200095.6GoodGoodGoodGood-14400
June 199895.6GoodGoodGoodGood-14400
October 199697.6FairSatisfactoryGoodGood-14400
March 199498.9GoodExcellentVery GoodVery Good-14400
January 198960.2PoorSeriousPoorPoorSD14400