ZOO SERVICE ROAD over ROCK CREEK

Map 

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]

2010 Inspection 

Status:	Posted for other load-capacity restriction [R]
Average daily traffic:	400 [as of 2008]
Truck traffic:	4% of total traffic
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
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:	33.6 tons [30.5 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]
Estimated cost of work:	$443,000

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