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Nearby Bridges in NBI 2021: 2


I - 20 EAST over AL - 4 ( US 78) (Route: 20)
Num:13528x
Open: no restriction [A]
Built: 1985, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 118.3 m = 388.1 ft
Main Spans: 4 at 32 m = 105.0 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 15.8 m = 51.8 ft (3 Lanes) and Out-To-Out: 16.7 m = 54.8 ft for a 21.9 m = 71.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Leeds [41968]: Jefferson County [073], Alabama [01]
Owned by State Highway Agency [01], DOT District: 3
I20 * US 78
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 61.4 metric ton = 67.5 tons (Allowable Stress(AS) [2])
Inventory: 38.6 metric ton = 42.5 tons (Allowable Stress(AS) [2])
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: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: December 2020 [1220] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 35000 (2020) and Trucks: 21%
Future ADT: 42286 (In 2040 )
I - 20 WEST over AL - 4 (US 78) (Route: 20)
Num:13527x
Open: no restriction [A]
Built: 1985, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 118.3 m = 388.1 ft
Main Spans: 4 at 32 m = 105.0 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 15.8 m = 51.8 ft (3 Lanes) and Out-To-Out: 16.7 m = 54.8 ft for a 21.9 m = 71.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Leeds [41968]: Jefferson County [073], Alabama [01]
Owned by State Highway Agency [01], DOT District: 3
I20 * US 78 LEEDS
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 58.4 metric ton = 64.2 tons (Load Factor(LF) [1])
Inventory: 35 metric ton = 38.5 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: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: December 2020 [1220] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 35000 (2020) and Trucks: 21%
Future ADT: 42286 (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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