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Nearby Bridges in NBI 2021: 1


US 90/COCHRANE BR over MOBILE RIVER (Route: 90)
Num:15430x
Open: no restriction [A]
Built: 1991, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete continuous [6] Stayed girder [14]
Approach Span(s): Concrete continuous [2] Box beam or girders - Multiple [05]
Deck: Concrete Precast Panels [2] with Wearing Surface:
Bridge Dimensions
Length: 2222.3 m = 7291.4 ft
Main Spans: 3 at 237.7 m = 779.9 ft
Approach Spans: 30
Skew: 0
Width, Roadway: 24.3 m = 79.7 ft (4 Lanes) and Out-To-Out: 28 m = 91.9 ft for a 24.4 m = 80.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 12.2 m = 40.0 ft
Location
Mobile [50000]: Mobile County [097], Alabama [01]
Owned by State Highway Agency [01], DOT District: 9
0.2 MI E US 43
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 43.5 metric ton = 47.9 tons (No rating analysis or evaluation performed [5])
Inventory: 32.7 metric ton = 36.0 tons (No rating analysis or evaluation performed [5])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 10.5 km = 6.5 mi
Traffic
ADT: 18260 (2017) and Trucks: 25%
Future ADT: 27390 (In 2037 )

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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