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BLOUNT ISLAND BLVD over ST.JOHNS RIVER-W.CHANNEL

Map

Coordinates:
+30.41333, -81.53944
30°24'48" N, 81°32'22" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:BLOUNT ISLAND BLVD over ST.JOHNS RIVER-W.CHANNEL
Structure number:720146
Location:1.45 MILES EAST OF SR 9A
Purpose:Carries highway over waterway
Route classification:Local (Urban) [19]
Length of largest span:65.9 ft. [20.1 m]
Total length:1726.1 ft. [526.1 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:32.2 ft. [9.8 m]
Vertical clearance below bridge:9.8 ft. [3.0 m]
Owner:City or Municipal Highway Agency [04]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:23
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Precast Panels [2]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,101 [as of 2017]
Truck traffic:51% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 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: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:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:75.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactoryFairSatisfactory210175.6
March 2015FairSatisfactorySatisfactorySatisfactory210190.7
March 2013FairSatisfactoryGoodSatisfactory210190.7
May 2011FairSatisfactoryGoodGood210190.7
May 2009FairSatisfactoryGoodGood210190.4
March 2007FairFairFairFair210178.4
May 2005FairSatisfactoryGoodGood210190.4
April 2003FairSatisfactoryGoodGood210190.4
February 2001FairSatisfactoryGoodGood206090.4
May 1999FairSatisfactoryGoodSatisfactory60194.3
July 1997FairSatisfactoryGoodSatisfactory60196.2
March 1995FairSatisfactoryGoodSatisfactory50197.1
April 1993FairSatisfactoryGoodSatisfactory50198.1
February 1991FairSatisfactoryGoodSatisfactory110194.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.6,0726,03520170
Deck
Reinforced Concrete Decksq. ft.48,956048,946100
Substructure
Reinforced Concrete Abutmentlinear ft.6666000
Prestressed Concrete Pileeach1247815310
Reinforced Concrete Pier Caplinear ft.2,1121,944381300
Joints
Compression Jointlinear ft.2880024444
Bearings
Elastomeric Bearingeach1841136830
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.3,4523,4190330
Deck
Reinforced Concrete Slabsq. ft.6,7086,6941220