Bridge Type
Main Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Approach Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 308.9 m = 1013.5 ft
Main Spans: 7 at 28 m = 91.9 ft
Approach Spans: 8
Skew: 19
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10 m = 32.8 ft for a 14.6 m = 47.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Hannibal [30214]: Marion County [127], Missouri [29]
Owned by State Highway Agency [01], DOT District: 2
S 28 T 57 N R 4 W
Condition
Deck: Serious [3]
Superstructure: Poor [4]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 37.8 metric ton = 41.6 tons (Load Factor(LF) [1])
Inventory: 22.5 metric ton = 24.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: April 2020 [0420] 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: 3.7 km = 2.3 mi
Traffic
ADT: 6431 (2019) and Trucks: 13%
Future ADT: 9968 (In 2039
)