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Nearby Bridges in NBI 2021: 1


COUNTY RD 303 over OLD CHNL NODAWAY R (Route: 346)
Num:22231x
Posted for load [P]
Built: 1940, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

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Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 64.6 m = 212.0 ft
Main Spans: 3 at 21.5 m = 70.5 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 6.4 m = 21.0 ft for a 4.3 m = 14.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Forbes [24976]: Holt County [087], Missouri [29]
Owned by County Highway Agency [02], DOT District: 1
S 1 T 59 N R 37 W
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 18 metric ton = 19.8 tons (Allowable Stress(AS) [2])
Inventory: 4.5 metric ton = 5.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Meets minimum tolerable limits to be left in place as is [4] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: November 1999 [1199] 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: 19.9 km = 12.3 mi
Traffic
ADT: 1 (2018) and Trucks: 10%
Future ADT: 1 (In 2038 )

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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