I-295(9A) DAME PT. over ST.JOHNS RIV.& MILL COVE
Map
Coordinates:
+30.38392, -81.5566730°23'02" N, 81°33'24" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | I-295(9A) DAME PT. over ST.JOHNS RIV.& MILL COVE |
Structure number: | 720518 |
Location: | 2.1 MI.S.OF HECKSCHER DR. |
Purpose: | Carries highway over waterway |
Route classification: | Principal Arterial - Interstate (Urban) [11] |
Length of largest span: | 1299.9 ft. [396.2 m] |
Total length: | 10646.5 ft. [3244.9 m] |
Roadway width between curbs: | 86.9 ft. [26.5 m] |
Deck width edge-to-edge: | 105.6 ft. [32.2 m] |
Vertical clearance above deck: | 20.3 ft. [6.2 m] |
Vertical clearance below bridge: | 164.1 ft. [50.0 m] |
Owner: | State Highway Agency [01] |
Year built: | 1989 |
Historic significance: | Bridge is possibly eligible for the National Register of Historic Places [3] |
Design load: | MS 18 / HS 20 [5] |
Number of main spans: | 3 |
Main spans material: | Prestressed concrete continuous [6] |
Main spans design: | Stayed girder [14] |
Deck type: | Concrete Cast-in-Place [1] |
Wearing surface: | Bituminous [6] |
Latest Available Inspection: October 2017
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 73,861 [as of 2016] |
Truck traffic: | 6% of total traffic |
Deck condition: | Good [7 out of 9] |
Superstructure condition: | Satisfactory [6 out of 9] |
Substructure condition: | Satisfactory [6 out of 9] |
Structural appraisal: | Equal to present minimum criteria [6] |
Deck geometry appraisal: | Somewhat better than minimum adequacy to tolerate being left in place as is [5] |
Water adequacy appraisal: | Superior to present desirable criteria [9] |
Roadway alignment appraisal: | Equal to present desirable criteria [8] |
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 is scour critical; bridge foundations determined to be unstable. [3] |
Sufficiency rating: | 82.4 |
Recommended work: | Other structural work, including hydraulic replacements. [38] |
Estimated cost of work: | $2,122,000 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
October 2017 | Fair | Good | Satisfactory | Satisfactory | 73861 | 82.4 |
October 2015 | Fair | Good | Satisfactory | Satisfactory | 71955 | 82.4 |
October 2013 | Fair | Good | Satisfactory | Good | 68998 | 82.4 |
October 2011 | Fair | Good | Satisfactory | Good | 66402 | 74.0 |
October 2009 | Fair | Good | Satisfactory | Good | 66445 | 79.0 |
October 2007 | Fair | Good | Satisfactory | Good | 65682 | 79.0 |
October 2005 | Fair | Good | Satisfactory | Good | 55734 | 78.0 |
October 2003 | Good | Good | Good | Good | 52860 | 79.0 |
October 2001 | Good | Good | Good | Good | 48692 | 79.0 |
October 1999 | Good | Good | Good | Good | 43484 | 79.0 |
October 1997 | Good | Good | Good | Good | 36986 | 79.0 |
October 1995 | Good | Good | Good | Good | 30800 | 74.0 |
October 1993 | Good | Very Good | Good | Good | 23209 | 79.0 |
October 1991 | Good | Very Good | Good | Good | 23209 | 79.0 |
Element Data
Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Element | Units | Quantity | 1-Good | 2-Fair | 3-Poor | 4-Serious |
---|
Superstructure |
Prestressed Concrete Girder/Beam | linear ft. | 93,496 | 92,577 | 390 | 529 | 0 |
Reinforced Concrete Girder/Beam | linear ft. | 5,200 | 4,991 | 206 | 3 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 1,001,373 | 965,672 | 35,590 | 111 | 0 |
Wearing Surfaces | sq. ft. | 274,820 | 264,769 | 10,033 | 18 | 0 |
Superstructure |
Steel Main Cable | linear ft. | 100,512 | 93,476 | 7,036 | 0 | 0 |
Steel Protective Coating | sq. ft. | 158,809 | 147,691 | 91 | 2,847 | 8,180 |
Steel Secondary Cable | each | 304 | 252 | 30 | 22 | 0 |
Prestressed Concrete Floor Beam | linear ft. | 13,470 | 13,470 | 0 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 86 | 74 | 8 | 4 | 0 |
Reinforced Concrete Abutment | linear ft. | 188 | 185 | 3 | 0 | 0 |
Reinforced Concrete Pile Cap/Footing | linear ft. | 436 | 293 | 82 | 61 | 0 |
Prestressed Concrete Pile | each | 622 | 589 | 22 | 11 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 8,727 | 8,147 | 576 | 4 | 0 |
Joints |
Pourable Joint | linear ft. | 496 | 455 | 25 | 16 | 0 |
Compression Joint | linear ft. | 2,061 | 1,764 | 192 | 54 | 51 |
Assembly with Seal | each | 181 | 30 | 139 | 12 | 0 |
Assembly without Seal Joint | linear ft. | 91 | 59 | 10 | 22 | 0 |
Bearings |
Elastomeric Bearing | each | 2,084 | 442 | 1,584 | 58 | 0 |
Movable Bearing | each | 29 | 0 | 29 | 0 | 0 |
Steel Protective Coating | sq. ft. | 127 | 95 | 32 | 0 | 0 |
Pot Bearing | each | 4 | 0 | 4 | 0 | 0 |
Steel Protective Coating | sq. ft. | 48 | 36 | 12 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 31,938 | 31,907 | 0 | 31 | 0 |