Share:

ZOO ACCESS ROAD over ROCK CREEK

Map 

Coordinates:
+38.92761, -77.04444
38°55'39" N, 77°02'40" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:ZOO ACCESS ROAD over ROCK CREEK
Structure number:2180002P0000000
Location:ADJACENT TO PARKING LOT E
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Local (Urban) [19]
Length of largest span:80.1 ft. [24.4 m]
Total length:80.1 ft. [24.4 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:36.1 ft. [11.0 m]
Owner:Unknown [58]
Year built:1915
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Not applicable [N]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: May 2015 

Status:Open, no restriction [A]
Average daily traffic:3,500 [as of 2012]
Truck traffic:1% of total traffic
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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: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:20.2 tons [18.4 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:63.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201563.0Functionally obsolete-GoodSatisfactory3500
June 201263.0Functionally obsolete-GoodSatisfactory3500
December 200853.0Functionally obsolete-FairFair3500
April 200252.2Functionally obsolete-FairFair3500
February 200052.2Functionally obsolete-FairFair3500