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Nearby Bridges in NBI 2021: 2


SR-951 NB(COLLIER) over BIG MARCO PASS (Route: 951)
Num:30148x
Open: no restriction [A]
Built: 1969, 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): 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 )
SR-951 SB COLLIER over BIG MARCO PASS (Route: 951)
Num:30293x
Open: no restriction [A]
Built: 2011, 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:
Bridge Dimensions
Length: 487.7 m = 1600.1 ft
Main Spans: 11 at 44.9 m = 147.3 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 15.8 m = 51.8 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 16.8 m = 55.1 ft
Location
Marco [43075]: Collier County [021], Florida [12]
Owned by State Highway Agency [01], DOT District: 1
7.0 MI SOUTH OF US-41
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: HL93 [A]
Operating: 44 metric ton = 48.4 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 35.7 metric ton = 39.3 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: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 20250 (2019) and Trucks: 5%
Future ADT: 35134 (In 2041 )

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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