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MD 18B over KENT ISLAND NARROW

Map

Coordinates:
+39.61907, -76.42328
39°37'09" N, 76°25'24" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MD 18B over KENT ISLAND NARROW
Structure number:100000170006010
Location:0.59 MILE WEST OF MD 835
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:74.2 ft. [22.6 m]
Total length:663.1 ft. [202.1 m]
Roadway width between curbs:58.1 ft. [17.7 m]
Deck width edge-to-edge:68.6 ft. [20.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1951
Year reconstructed:1982
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,442 [as of 2009]
Truck traffic:8% 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]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:76.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,998,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairFairFairFair244276.0
November 2017FairSatisfactoryFairFair244276.0
November 2016FairSatisfactoryFairFair244276.0
February 2015FairSatisfactoryFairFair244282.7
February 2013FairSatisfactoryFairFair244282.7
February 2011FairSatisfactoryFairFair244282.7
February 2009FairSatisfactoryFairSatisfactory250382.7
December 2006FairSatisfactoryFairSatisfactory265082.7
December 2004FairSatisfactoryFairSatisfactory265082.7
December 2002FairSatisfactoryFairSatisfactory267582.7
September 2000FairSatisfactoryFairSatisfactory267582.7
September 1998FairSatisfactoryFairSatisfactory267582.7
August 1996FairSatisfactoryFairSatisfactory720082.4
July 1994PoorGoodPoorSatisfactory720066.2
December 1992PoorGoodPoorSatisfactory720066.2
December 1990FairSatisfactorySatisfactorySatisfactory2672574.0