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MAPLE DAM ROAD over BLACKWATER RIVER

Map

Coordinates:
+38.38172, -76.06713
38°22'54" N, 76°04'02" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MAPLE DAM ROAD over BLACKWATER RIVER
Structure number:200000D-0012010
Location:13.34 MILES S. OF MD. 16
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:25.9 ft. [7.9 m]
Total length:233.9 ft. [71.3 m]
Roadway width between curbs:26.2 ft. [8.0 m]
Deck width edge-to-edge:28.2 ft. [8.6 m]
Owner:County Highway Agency [02]
Year built:1997
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:9
Main spans material:Wood or timber [7]
Main spans design:Slab [01]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: November 2015

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:520 [as of 2008]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:60.4 tons [54.9 metric tons]
Inventory rating:42.9 tons [39.0 metric tons]
Sufficiency rating:91.8

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
November 201591.8GoodGoodGoodGood-520
November 201391.8GoodGoodGoodGood-520
November 201185.3GoodGoodGoodGood-954
November 200986.3GoodGoodGoodGood-954
November 200786.3GoodGoodVery GoodVery Good-954
December 200586.3GoodGoodVery GoodVery Good-954
November 200386.3GoodGoodVery GoodVery Good-954
December 200186.3GoodGoodVery GoodVery Good-954
December 199986.3GoodVery GoodVery GoodVery Good-954
January 199786.3GoodExcellentExcellentExcellent-954
February 199645.4FairFairGoodSatisfactorySD954
November 199350.8FairFairGoodSatisfactorySD954
October 199141.4FairFairGoodSatisfactorySD954