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Nearby Bridges in NBI 2021: 1


US 1 (SR 5) over LONG KEY CHANNEL (Route: 1)
Num:900094x
Open: no restriction [A]
Built: 1981, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

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Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete continuous [6] Segmental box girder [21]
Approach Span(s): Other [00]
Deck: Other [9] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 3711.2 m = 12176.4 ft
Main Spans: 103 at 36 m = 118.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 10.9 m = 35.8 ft (2 Lanes) and Out-To-Out: 11.7 m = 38.4 ft for a 11.5 m = 37.7 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 7.6 m = 24.9 ft
Location
Layton [39725]: Monroe County [087], Florida [12]
Owned by State Highway Agency [01], DOT District: 6
LONG KEY (MM 63.2)
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: HL93 [A]
Operating: 27.4 metric ton = 30.1 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 10.1 metric ton = 11.1 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 12700 (2020) and Trucks: 15%
Future ADT: 22034 (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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