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Nearby Bridges in NBI 2021: 1


CR 340 over SUWANNEE RIVER (Route: 340)
Num:310002x
Posted for other load-capacity restriction [R]
Built: 1965, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

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Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 137.8 m = 452.1 ft
Main Spans: 3 at 38.4 m = 126.0 ft
Approach Spans: 3
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.9 m = 29.2 ft for a 6.6 m = 21.7 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0.3 m = 1.0 ft
Location
Unknown [00000]: Gilchrist County [041], Florida [12]
Owned by County Highway Agency [02], DOT District: 2
3 MI WEST OF US 129
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design:
Operating: 34.6 metric ton = 38.1 tons (Load Factor(LF) [1])
Inventory: 22.6 metric ton = 24.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: March 2020 [0320] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 3.2 km = 2.0 mi
Traffic
ADT: 1600 (2020) and Trucks: 4%
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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