CR 789 (BLKBRN PT) over INTRACOASTAL WATERWAY

Map 

Facts 

Name:	CR 789 (BLKBRN PT) over INTRACOASTAL WATERWAY
Structure number:	170064
Location:	0.6MI W of US 41
Purpose:	Carries highway over waterway
Route classification:	Collector (Urban) [17]
Length of largest span:	142.1 ft. [43.3 m]
Total length:	142.1 ft. [43.3 m]
Roadway width between curbs:	15.7 ft. [4.8 m]
Deck width edge-to-edge:	16.1 ft. [4.9 m]
Vertical clearance below bridge:	8.9 ft. [2.7 m]
Owner:	County Highway Agency [02]
Year built:	1925
Year reconstructed:	1995
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:	MS 18 / HS 20 [5]
Main span material:	Steel [3]
Main span design:	Movable - Swing [17]
Deck type:	Open Grating [3]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	2,901 [as of 2009]
Truck traffic:	2% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
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:	In place and functioning [2]
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	39.2 tons [35.6 metric tons]
Inventory rating:	30.8 tons [28.0 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	58.3

2000 Inspection 

Status:	Posted for load [P]
Average daily traffic:	2,132 [as of 1999]
Truck traffic:	1% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
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:	In place and functioning [2]
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	39.2 tons [35.6 metric tons]
Inventory rating:	30.8 tons [28.0 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	44.2

1992 Inspection 

Status:	Posted for load [P]
Average daily traffic:	5,000 [as of 1991]
Truck traffic:	5% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Serious [3 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Channel protection:	Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Pier/abutment protection:	In place but in a deteriorated condition [3]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	15.8 tons [14.4 metric tons]
Inventory rating:	10.9 tons [9.9 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	4.1
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$120,000

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