Share:

IS 270 & CD RDS over WATTS BRANCH

Map

Coordinates:
+39.08885, -77.17395
39°05'20" N, 77°10'26" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IS 270 & CD RDS over WATTS BRANCH
Structure number:100000150064020
Location:0.21 MILE NORTH OF MD 28
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:24.9 ft. [7.6 m]
Total length:27.9 ft. [8.5 m]
Skew angle:27°
Owner:State Highway Agency [01]
Year built:1955
Year reconstructed:1988
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Concrete [1]
Main span design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: November 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:239,460 [as of 2009]
Truck traffic:8% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
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:None present but re-evaluation suggested [5]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:70.0

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
November 2016Fair6 out of 1023946070.0
September 2014Fair6 out of 1023946070.0
August 2012Fair6 out of 1023946070.0
August 2010Fair6 out of 1023946070.0
August 2008Fair6 out of 1024138170.0
August 2006Fair6 out of 1024637570.0
December 2004Fair6 out of 1024637570.0
December 2002Fair6 out of 1017382570.0
December 2000Fair6 out of 1017382570.0
November 1998Good7 out of 1017382570.0
November 1996Good7 out of 1017382570.0
November 1994Good7 out of 1010037570.0
November 1992Good7 out of 1010037570.0
January 1991Good7 out of 1010037570.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Culvert
Reinforced Concrete Culvertlinear ft.3253042010
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6059010