I75 over SOUTH CHICKAMAUGA CREEK (Route: 75)
Num: 33I00750019x
Open: no restriction [A]
Built: 1960, Reconstructed: 1992
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 81.1 m = 266.1 ft
Main Spans: 4 at 20.4 m = 66.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 37.9 m = 124.3 ft (8 Lanes) and Out-To-Out: 39.6 m = 129.9 ft for a 37.8 m = 124.0 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
.5 MI I24I75 INTERCHANGE

Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 48.6 metric ton = 53.5 tons (Load Factor(LF) [1])
Inventory: 23.4 metric ton = 25.7 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Superior to present desirable criteria [9]
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: July 2020 [0720] and Frequency: 24

Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 19.9 km = 12.3 mi
Traffic
ADT: 129820 (2019) and Trucks: 22%
Future ADT: 207712 (In 2041 )

NFA B826 over W CHICKAMAUGA CREEK (Route: 826)
Num: 330B8260001x
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: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
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: 31.4 m = 103.0 ft
Main Spans: 1 at 31.4 m = 103.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 10.5 m = 34.5 ft (2 Lanes) and Out-To-Out: 13.4 m = 44.0 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
East Ridge [22720]: Hamilton County [065], Tennessee [47]
Owned by City or Municipal Highway Agency [04], DOT District: 2
IN THE CITY OF EAST RIDGE

Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 99 metric ton = 108.9 tons (Load Factor(LF) [1])
Inventory: 32.4 metric ton = 35.6 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] 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: 19.9 km = 12.3 mi
Traffic
ADT: 1250 (2021) and Trucks: 3%
Future ADT: 2000 (In 2040 )