Share:

MD 77 over MONOCACY RIVER

Map

Coordinates:
+39.60346, -77.29351
39°36'12" N, 77°17'37" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MD 77 over MONOCACY RIVER
Structure number:100000100055010
Location:1.3 MI W OF CARROLL CO
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:108.9 ft. [33.2 m]
Total length:226.7 ft. [69.1 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:28.9 ft. [8.8 m]
Vertical clearance above deck:14.1 ft. [4.3 m]
Owner:State Highway Agency [01]
Year built:1932
Year reconstructed:2016
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
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:823 [as of 2016]
Truck traffic:13% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:81.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairVery GoodSatisfactorySatisfactory82381.0
February 2017FairVery GoodSatisfactorySatisfactory110080.8
July 2015PoorPoorFairFair89361.6
October 2013PoorPoorFairFair84162.0
February 2012FairFairFairFair84164.1
March 2010FairFairFairFair84164.1
March 2008FairFairFairFair97163.9
March 2006FairFairFairSatisfactory137564.4
February 2006FairFairFairSatisfactory137564.4
February 2004FairFairFairSatisfactory137564.4
February 2002FairFairSatisfactorySatisfactory75084.4
February 2000FairFairSatisfactorySatisfactory75084.4
February 1998FairFairSatisfactorySatisfactory75084.4
February 1996FairSatisfactorySatisfactoryGood75085.9
February 1994FairFairSatisfactoryFair75070.8
January 1992FairFairSatisfactoryFair75069.8