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MD 33 over KNAPPS NARROWS

Map

Coordinates:
+38.71945, -76.33256
38°43'10" N, 76°19'57" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MD 33 over KNAPPS NARROWS
Structure number:100000200001010
Location:0.91 M W OF BENDERS LANE
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:71.9 ft. [21.9 m]
Total length:123.4 ft. [37.6 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:37.7 ft. [11.5 m]
Vertical clearance above deck:15.1 ft. [4.6 m]
Vertical clearance below bridge:9.8 ft. [3.0 m]
Owner:State Highway Agency [01]
Year built:1998
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:2,471 [as of 2009]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:69.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017GoodGoodGoodGood247169.3
March 2015GoodGoodGoodGood247169.3
March 2013GoodGoodGoodGood247169.3
March 2011GoodVery GoodVery GoodVery Good247169.3
February 2009GoodVery GoodVery GoodVery Good245169.3
December 2006GoodVery GoodVery GoodVery Good202569.3
December 2004GoodVery GoodVery GoodVery Good202569.3
November 2002GoodGoodGoodGood202569.3
December 2000GoodVery GoodVery GoodVery Good207569.3
December 1998GoodVery GoodVery GoodVery Good207569.3
July 1996PoorSatisfactoryPoorSatisfactory230034.1
May 1994PoorGoodPoorSatisfactory230034.1
May 1992PoorGoodPoorSatisfactory230034.1
July 1990PoorGoodPoorPoor7325034.1