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MD 290 over SWANTOWN CREEK

Map

Coordinates:
+39.34751, -75.84147
39°20'51" N, 75°50'29" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MD 290 over SWANTOWN CREEK
Structure number:100000140011020
Location:1.91 MILES S OF US 301
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:11.2 ft. [3.4 m]
Total length:22.0 ft. [6.7 m]
Skew angle:17°
Owner:State Highway Agency [01]
Year built:1947
Year reconstructed:1956
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:Culvert [19]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,461 [as of 2009]
Truck traffic:8% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:84.5

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
September 2017Fair5 out of 10246184.5
September 2015Fair5 out of 10246184.5
May 2013Fair5 out of 10246185.3
May 2011Fair5 out of 10246185.1
May 2009Fair5 out of 10186185.7
May 2007Fair6 out of 10187597.0
May 2005Fair6 out of 10187597.0
May 2003Good7 out of 10187597.0
June 2001Good7 out of 10122597.5
July 1999Good7 out of 10122597.5
July 1997Good7 out of 10122597.5
July 1995Good7 out of 10200098.3
July 1994Good7 out of 10200095.4
July 1993Good7 out of 10200095.4
September 1992Good7 out of 10200095.4
July 1990Good7 out of 10200095.4