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MD 4 NB over LYONS CREEK

Map

Coordinates:
+38.76461, -76.65720
38°45'53" N, 76°39'26" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MD 4 NB over LYONS CREEK
Structure number:100000040017021
Location:ON ANNE ARUNDEL CO LINE
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:15.1 ft. [4.6 m]
Total length:62.0 ft. [18.9 m]
Roadway width between curbs:49.9 ft. [15.2 m]
Deck width edge-to-edge:53.2 ft. [16.2 m]
Owner:State Highway Agency [01]
Year built:1987
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]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:46,661 [as of 2009]
Truck traffic:8% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry 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: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]
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:89.1

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
July 2017Fair6 out of 104666189.1
July 2015Fair6 out of 104666189.1
May 2013Fair6 out of 104666189.1
April 2011Fair6 out of 104666189.1
April 2009Fair6 out of 102305694.6
April 2007Fair6 out of 102538894.1
April 2005Fair6 out of 102538894.1
April 2003Good7 out of 102538894.1
December 2001Good7 out of 103940090.8
December 1999Good7 out of 103940090.8
December 1997Good7 out of 103940090.8
November 1995Good7 out of 103940091.1
November 1993Good7 out of 103940091.1
September 1991Good7 out of 10-100.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Culvert
Reinforced Concrete Culvertlinear ft.2600250100
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.108802800
Deck
Reinforced Concrete Slabsq. ft.3,45803,45800
Wearing Surfacessq. ft.3,25003,25000