Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 486.2 m = 1595.2 ft
Main Spans: 3 at 36.9 m = 121.1 ft
Approach Spans: 16
Skew: 0
Width, Roadway: 10.1 m = 33.1 ft (2 Lanes) and Out-To-Out: 11.1 m = 36.4 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 16.7 m = 54.8 ft
Location
Marco [43075]: Collier County [021], Florida [12]
Owned by State Highway Agency [01], DOT District: 1
7.0MI SOUTH OF US-41
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 51.6 metric ton = 56.8 tons (Load Factor(LF) [1])
Inventory: 27.1 metric ton = 29.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: April 1999 [499] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 20250 (2019) and Trucks: 5%
Future ADT: 35134 (In 2041
)