+39.20526, -76.12208
39°12'19" N, 76°07'19" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MD 446 over MILL POND CREEK
Structure number:100000140021010
Location:0.80 MILE SOUTH OF MD 20
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:20.0 ft. [6.1 m]
Total length:23.0 ft. [7.0 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:26.6 ft. [8.1 m]
Owner:State Highway Agency [01]
Year built:1929
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Main span material:Concrete [1]
Main span design:Slab [01]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:610 [as of 2009]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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: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: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:None present but re-evaluation suggested [5]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:68.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$41,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018FairSatisfactorySatisfactoryFair61068.6
June 2016FairSatisfactorySatisfactoryFair61068.6
June 2015FairSatisfactorySatisfactoryFair61068.6
May 2014FairSatisfactorySatisfactoryFair61065.2
May 2013FairSatisfactorySatisfactoryFair61065.2
May 2012FairSatisfactorySatisfactoryFair61064.9
May 2011FairSatisfactorySatisfactoryFair61064.9
May 2010FairSatisfactorySatisfactoryFair61064.9
May 2008FairSatisfactorySatisfactoryFair102063.4
June 2006FairSatisfactorySatisfactoryFair92563.5
June 2004FairSatisfactorySatisfactoryGood92574.7
May 2002FairSatisfactorySatisfactoryGood65076.0
August 2000FairSatisfactorySatisfactoryGood65076.0
August 1998FairSatisfactorySatisfactoryGood65076.0
August 1996FairSatisfactorySatisfactoryGood52579.7
August 1994FairSatisfactorySatisfactoryGood52579.7
August 1992FairSatisfactorySatisfactorySatisfactory52579.7
June 1990FairSatisfactorySatisfactorySatisfactory52579.7