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Nearby Bridges in NBI 2021: 1


COMB AVE over UP RR (Route: 84)
Num:15056x
Posted for load [P]
Built: 1935, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface:
Bridge Dimensions
Length: 64.3 m = 211.0 ft
Main Spans: 12 at 6.7 m = 22.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.4 m = 21.0 ft (2 Lanes) and Out-To-Out: 7 m = 23.0 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Marion [46082]: Mercer County [129], Missouri [29]
Owned by County Highway Agency [02], DOT District: 1
S 31 T 66 N R 23 W
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design:
Operating: 20.7 metric ton = 22.8 tons (Allowable Stress(AS) [2])
Inventory: 15.3 metric ton = 16.8 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: December 1999 [1299] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 45 (2020) and Trucks: 10%
Future ADT: 50 (In 2040 )

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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