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Nearby Bridges in NBI 2021: 2


NFA A634 over RR GRADE RD / DOE RIVER (Route: 634)
Num: 100A6340001x
Open: no restriction [A]
Built: 1889, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 33.8 m = 110.9 ft
Main Spans: 1 at 32.2 m = 105.6 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 2.8 m = 9.2 ft (1 Lanes) and Out-To-Out: 3.1 m = 10.2 ft for a 3.4 m = 11.2 ft approaching roadway.
Vertical Clearance: 6.05 m = 19.9 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Carter County [019], Tennessee [47]
Owned by County Highway Agency [02], DOT District: 1
N OF SR 37-E OF SR173 JCT
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design: Railroad [8]
Operating: 36.9 metric ton = 40.6 tons (Load Factor(LF) [1])
Inventory: 21.6 metric ton = 23.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 1999 [899] 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: 19.9 km = 12.3 mi
Traffic
ADT: 50 (2021) and Trucks: 2%
Future ADT: 80 (In 2039 )
NFA A628 over DOE RIVER (Route: 628)
Num: 100A6280001x
Open: no restriction [A]
Built: 1992, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 15.8 m = 51.8 ft
Main Spans: 1 at 14.8 m = 48.6 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.5 m = 21.3 ft (2 Lanes) and Out-To-Out: 7.4 m = 24.3 ft for a 6.4 m = 21.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Carter County [019], Tennessee [47]
Owned by County Highway Agency [02], DOT District: 1
N OF SR37-E OF SR173 JCT.
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 44.1 metric ton = 48.5 tons (Unknown [A])
Inventory: 32.4 metric ton = 35.6 tons (Unknown [A])
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 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: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 210 (2021) and Trucks: 2%
Future ADT: 336 (In 2039 )

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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