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Nearby Bridges in NBI 2021: 1


NFA 1903 over DUCK RIVER (Route: 1903)
Num: 600A1610001x
Posted for load [P]
Built: 1925, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

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Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 104.5 m = 342.9 ft
Main Spans: 3 at 32.6 m = 107.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.6 m = 15.1 ft (1 Lanes) and Out-To-Out: 5.4 m = 17.7 ft for a 7.6 m = 24.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Maury County [119], Tennessee [47]
Owned by County Highway Agency [02], DOT District: 3
4 M E OF COLUMBIA
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: M 13.5 / H 15 [2]
Operating: 36 metric ton = 39.6 tons ()
Inventory: 24.3 metric ton = 26.7 tons ()
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 minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed: Widening of existing bridge with deck rehabilitation or replacement. [34]
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 840 (2018) and Trucks: 6%
Future ADT: 1344 (In 2040 )

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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