Bridge Type
Main Span(s): Steel [3] Movable - Bascule [16]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Open Grating [3] with Wearing Surface: Other [9]
Bridge Dimensions
Length: 691.9 m = 2270.1 ft
Main Spans: 1 at 96.3 m = 316.0 ft
Approach Spans: 27
Skew: 7
Width, Roadway: 18.8 m = 61.7 ft (4 Lanes) and Out-To-Out: 19.7 m = 64.6 ft for a 17 m = 55.8 ft approaching roadway.
Vertical Clearance: 5.33 m = 17.5 ft and Navigational Clearance: 13.2 m = 43.3 ft
Location
Wilmington [74440]: New Hanover County [129], North Carolina [37]
Owned by State Highway Agency [01], DOT District: 3
0.1MI N JCT US421
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 58.9 metric ton = 64.8 tons (Load Factor(LF) [1])
Inventory: 22.6 metric ton = 24.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: January 2020 [0120] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 27000 (2017) and Trucks: 12%
Future ADT: 54000 (In 2040
)