N4740 over BALLARD CREEK

Map 

Facts 

Name:	N4740 over BALLARD CREEK
Structure number:	023290000000000
Location:	0.5 MI E OF WATTS
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) [09]
Length of largest span:	100.1 ft. [30.5 m]
Total length:	100.1 ft. [30.5 m]
Roadway width between curbs:	15.7 ft. [4.8 m]
Deck width edge-to-edge:	15.7 ft. [4.8 m]
Vertical clearance above deck:	16.1 ft. [4.9 m]
Owner:	County Highway Agency [02]
Year built:	1929
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Main span material:	Steel [3]
Main span design:	Truss - Thru [10]
Deck type:	Wood or Timber [8]
Wearing surface:	Wood or Timber [7]

2010 Inspection 

Status:	Bridge closed to all traffic [K]
Average daily traffic:	150 [as of 2008]
Truck traffic:	10% of total traffic
Deck condition:	Critical [2 out of 9]
Superstructure condition:	Critical [2 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 is scour critical; field review indicates that extensive scour has occurred at bridge foundations. [2]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	22.3
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$252,000

2000 Inspection 

Status:	Posted for load [P]
Average daily traffic:	150 [as of 1999]
Truck traffic:	7% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Serious [3 out of 9]
Substructure condition:	Poor [4 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]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	21.0 tons [19.1 metric tons]
Inventory rating:	16.9 tons [15.4 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	22.3
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$303,000

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