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Nearby Bridges in NBI 2021: 2


NFA 910 (SA 4302) over DUCK RIVER (Route: 910)
Num: 430A3160001x
Open: no restriction [A]
Built: 1945, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 228.3 m = 749.1 ft
Main Spans: 1 at 64.6 m = 212.0 ft
Approach Spans: 8
Skew: 0
Width, Roadway: 5.4 m = 17.7 ft (2 Lanes) and Out-To-Out: 6.5 m = 21.3 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 4.22 m = 13.8 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Humphreys County [085], Tennessee [47]
Owned by County Highway Agency [02], DOT District: 3
3 M. W. SR 13
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Serious [3]
Loading
Design: M 13.5 / H 15 [2]
Operating: 32.4 metric ton = 35.6 tons (Load Factor(LF) [1])
Inventory: 19.8 metric ton = 21.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge is scour critical; field review indicates that extensive scour has occurred at bridge foundations. [2]
Inspections
Date: April 2020 [0420] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 3.2 km = 2.0 mi
Traffic
ADT: 490 (2018) and Trucks: 10%
Future ADT: 784 (In 2041 )
NFA 1816 over COLD BRANCH (Route: 1816)
Num: 43E03700001x
Open: no restriction [A]
Built: 1984, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Culvert [19]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 8.2 m = 26.9 ft
Main Spans: 2 at 3.7 m = 12.1 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 6.7 m = 22.0 ft (2 Lanes) and Out-To-Out: 7.8 m = 25.6 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Humphreys County [085], Tennessee [47]
Owned by County Highway Agency [02], DOT District: 3
3.5 M. W. SR13.
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18 / HS 20 [5]
Operating: 89.1 metric ton = 98.0 tons (Load Factor(LF) [1])
Inventory: 32.4 metric ton = 35.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] 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: 0.8 km = 0.5 mi
Traffic
ADT: 220 (2018) and Trucks: 7%
Future ADT: 352 (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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