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COULBOURNE MILL RD over US 13

Map

Coordinates:
+38.32115, -75.58608
38°19'16" N, 75°35'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:COULBOURNE MILL RD over US 13
Structure number:100000220037010
Location:1.21 MI S OF MD 12
Purpose:Carries highway over highway
Route classification:Collector (Urban) [17]
Length of largest span:102.0 ft. [31.1 m]
Total length:272.0 ft. [82.9 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.6 ft. [13.3 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:19°
Owner:State Highway Agency [01]
Year built:1976
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,411 [as of 2009]
Truck traffic:5% of total traffic
Deck condition:Fair [5 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:Equal to present minimum criteria [6]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:84.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairFairSatisfactoryFair341184.4
August 2015FairFairSatisfactoryFair341184.4
August 2013FairFairSatisfactoryFair341186.4
August 2011FairFairSatisfactoryFair341186.4
August 2009FairFairSatisfactoryFair225786.6
August 2007FairFairSatisfactoryFair99986.8
August 2005FairFairSatisfactoryFair99986.8
August 2003FairSatisfactoryGoodSatisfactory99999.9
October 2001FairSatisfactoryGoodSatisfactory99999.9
February 2000FairSatisfactoryGoodSatisfactory99999.9
September 1997FairSatisfactoryGoodSatisfactory99999.9
September 1995FairSatisfactoryGoodSatisfactory45099.9
September 1993FairSatisfactoryGoodSatisfactory45099.9
October 1992FairGoodGoodSatisfactory45099.9
September 1990FairGoodSatisfactoryGood-100.0