Bridge Type
Main Span(s): Steel [3] Movable - Bascule [16]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 418.1 m = 1371.8 ft
Main Spans: 1 at 40 m = 131.2 ft
Approach Spans: 20
Skew: 0
Width, Roadway: 10.6 m = 34.8 ft (2 Lanes) and Out-To-Out: 11.6 m = 38.1 ft for a 10.6 m = 34.8 ft approaching roadway.
Vertical Clearance: 29 m = 95.1 ft and Navigational Clearance: 9.1 m = 29.9 ft
Location
District 3 [91692]: Harrison County [047], Mississippi [28]
Owned by County Highway Agency [02], DOT District: 6
SEC 14 T 8S R13W B
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 45.4 metric ton = 49.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 27.2 metric ton = 29.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
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: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: December 1999 [1299] 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: 1.3 km = 0.8 mi
Traffic
ADT: 3700 (2019) and Trucks: 8%
Future ADT: 4070 (In 2039
)