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ZOO SERVICE ROAD over ROCK CREEK

Map 

Coordinates:
+38.92781, -77.04900
38°55'40" N, 77°02'56" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:ZOO SERVICE ROAD over ROCK CREEK
Structure number:2180001S0000000
Location:OFF VALLEY TRAIL BY AMAZO
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:79.1 ft. [24.1 m]
Total length:79.1 ft. [24.1 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:39.4 ft. [12.0 m]
Owner:Unknown [58]
Year built:1930
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Not applicable [N]

Latest Available Inspection: May 2015 

Status:Open, no restriction [A]
Average daily traffic:400 [as of 2012]
Truck traffic:4% of total traffic
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:20.0 tons [18.2 metric tons]
Sufficiency rating:67.6
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201567.6Not deficient-GoodGood400
June 201267.6Not deficient-GoodGood400
December 200867.6Not deficient-SatisfactoryGood400
April 200267.6Not deficient-SatisfactoryGood400
February 200063.2Functionally obsolete-SatisfactoryGood400