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Nearby Bridges in NBI 2021: 3


SR-679 over Boca Ciega Bay (Route: 679)
Num:150307x
Open: no restriction [A]
Built: 2021, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 787.3 m = 2583.1 ft
Main Spans: 17 at 46.6 m = 152.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 13.4 m = 44.0 ft (2 Lanes) and Out-To-Out: 20.3 m = 66.6 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 30.18 m = 99.0 ft and Navigational Clearance: 19.9 m = 65.3 ft
Location
Unknown [00000]: Pinellas County [103], Florida [12]
Owned by State Highway Agency [01], DOT District: 7
1.2 Miles S of SR-682
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 63.3 metric ton = 69.6 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 38.8 metric ton = 42.7 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: January 2021 [0121] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 15600 (2021) and Trucks: 4%
Future ADT: 27066 (In 2042 )
SR-679 over BOCA CIEGA BAY (Route: 679)
Num:150049x
Open: no restriction [A]
Built: 1961, Reconstructed: 1996
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Movable - Bascule [16]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 422.3 m = 1385.6 ft
Main Spans: 1 at 41.5 m = 136.2 ft
Approach Spans: 22
Skew: 0
Width, Roadway: 7.9 m = 25.9 ft (2 Lanes) and Out-To-Out: 11.5 m = 37.7 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 7.6 m = 24.9 ft
Location
Saint Petersburg [63000]: Pinellas County [103], Florida [12]
Owned by State Highway Agency [01], DOT District: 7
1.2 MI SOUTH OF SR-682
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 38.8 metric ton = 42.7 tons (Load Factor(LF) [1])
Inventory: 23.2 metric ton = 25.5 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 15600 (2020) and Trucks: 4%
Future ADT: 27066 (In 2040 )
MADONNA BLVD. over PINE KEY CUTOFF (Route: 0)
Num:154700x
Open: no restriction [A]
Built: 1957, Reconstructed: 2005
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 36.7 m = 120.4 ft
Main Spans: 3 at 12.3 m = 40.4 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 10.5 m = 34.5 ft (2 Lanes) and Out-To-Out: 14.9 m = 48.9 ft for a 11.1 m = 36.4 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Pinellas County [103], Florida [12]
Owned by County Highway Agency [02], DOT District: 7
0.3MI W OF SR-679
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 62.2 metric ton = 68.4 tons (Load Factor(LF) [1])
Inventory: 37.4 metric ton = 41.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 1600 (2020) and Trucks: 1%
Future ADT: 2776 (In 2042 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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