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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 

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. ratingEvaluationDeckSuper.Sub.ADT
October 201597.7Not deficientGoodSatisfactorySatisfactory13900
October 201397.7Not deficientGoodSatisfactorySatisfactory13900
September 201197.7Not deficientSatisfactoryGoodSatisfactory13900
August 200995.6Not deficientSatisfactoryGoodSatisfactory13900
September 200795.6Not deficientGoodGoodGood14400
August 200595.6Not deficientGoodGoodGood14400
January 200395.6Not deficientGoodGoodGood14400
December 200095.6Not deficientGoodGoodGood14400
June 199895.6Not deficientGoodGoodGood14400
October 199697.6Not deficientSatisfactoryGoodGood14400
March 199498.9Not deficientExcellentVery GoodVery Good14400
January 198960.2Structurally deficientSeriousPoorPoor14400