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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 229.1 m = 751.7 ft
Main Spans: 1 at 42.9 m = 140.8 ft
Approach Spans: 14
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (4 Lanes) and Out-To-Out: 17.1 m = 56.1 ft for a 13.5 m = 44.3 ft approaching roadway.
Vertical Clearance: 5.52 m = 18.1 ft and Navigational Clearance: 6.6 m = 21.7 ft
Location
Madeira Beach [42400]: Pinellas County [103], Florida [12]
Owned by State Highway Agency [01], DOT District: 7
0.5MI E/O SR-699 (GULF BD
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 33.5 metric ton = 36.9 tons (Load Factor(LF) [1])
Inventory: 20 metric ton = 22.0 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 replacement [2]
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: May 2020 [0520] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 28500 (2020) and Trucks: 4%
Future ADT: 35625 (In 2040
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