Bridge Type
Main Span(s): Prestressed concrete continuous [6] Box Beam or girders - Single or Spread [06]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 126.2 m = 414.1 ft
Main Spans: 5 at 26.5 m = 86.9 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 27 m = 88.6 ft (7 Lanes) and Out-To-Out: 29.5 m = 96.8 ft for a 25.6 m = 84.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Chattanooga [14000]: Hamilton County [065], Tennessee [47]
Owned by State Highway Agency [01], DOT District: 2
2.01 MI. W OF SR-153 JCT.
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 67.5 metric ton = 74.3 tons (Load Factor(LF) [1])
Inventory: 38.7 metric ton = 42.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: November 2020 [1120] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 2.4 km = 1.5 mi
Traffic
ADT: 31590 (2019) and Trucks: 2%
Future ADT: 47216 (In 2040
)
