+38.97267, -76.48550
38°58'22" N, 76°29'08" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MD 181(SIXTH ST) over SPA CREEK
Structure number:100000020053010
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:62.0 ft. [18.9 m]
Total length:832.1 ft. [253.6 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:39.0 ft. [11.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1946
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 18 / H 20 [4]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: February 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:19,251 [as of 2009]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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:44.1
Recommended work:Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:$2,153,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2018FairFairFairSatisfactory1925144.1
February 2016FairFairSatisfactorySatisfactory1925155.9
March 2014FairFairSatisfactorySatisfactory1925157.8
February 2012FairSatisfactoryGoodSatisfactory1925158.6
February 2010FairFairFairFair1925144.6
February 2008FairSatisfactorySatisfactorySatisfactory1016464.4
February 2006FairSatisfactorySatisfactorySatisfactory259966.1
December 2004FairSatisfactoryFairSatisfactory259954.9
October 2003FairFairFairSatisfactory259953.8
September 2002FairFairSatisfactorySatisfactory259965.1
May 2001FairFairFairSatisfactory259953.8
February 2001FairFairFairSatisfactory259953.8
May 1999FairFairFairSatisfactory259953.8
May 1997FairFairFairSatisfactory259953.8
May 1995FairFairFairSatisfactory259962.8
June 1993FairFairFairSatisfactory259966.9
May 1991FairFairFairFair2077554.2