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Nearby Bridges in NBI 2021: 2


MAIN ST over BEAR CR (Route: 0)
Num:18410x
Posted for load [P]
Built: 1935, Reconstructed: 2006
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Concrete [1] Slab [01]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 37.2 m = 122.1 ft
Main Spans: 2 at 19.1 m = 62.7 ft
Approach Spans: 1
Skew: 0
Width, Roadway: 9.8 m = 32.2 ft (2 Lanes) and Out-To-Out: 16.5 m = 54.1 ft for a 12.5 m = 41.0 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 City or Municipal Highway Agency [04], DOT District: 2
S 28 T 57 N R 4 W
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design:
Operating: 46.8 metric ton = 51.5 tons (Load Factor(LF) [1])
Inventory: 27.9 metric ton = 30.7 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: March 2021 [0321] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 250 (2019) and Trucks: 10%
Future ADT: 338 (In 2039 )
MO 79 S over CST WARREN BARRETT DR: C (Route: 79)
Num:842x
Open: no restriction [A]
Built: 1966, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

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 )

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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