Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel continuous [4] 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: 1368.6 m = 4490.4 ft
Main Spans: 1 at 195.1 m = 640.1 ft
Approach Spans: 25
Skew: 38
Width, Roadway: 24.7 m = 81.0 ft (4 Lanes) and Out-To-Out: 26.1 m = 85.6 ft for a 26.1 m = 85.6 ft approaching roadway.
Vertical Clearance: 5.33 m = 17.5 ft and Navigational Clearance: 18.8 m = 61.7 ft
Location
Hannibal [30214]: Marion County [127], Missouri [29]
Owned by State Highway Agency [01], DOT District: 2
S 21 T 57 N R 4 W
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 54 metric ton = 59.4 tons (Load Factor(LF) [1])
Inventory: 22.5 metric ton = 24.8 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: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 7.2 km = 4.5 mi
Traffic
ADT: 15273 (2019) and Trucks: 33%
Future ADT: 29018 (In 2039
)