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Nearby Bridges in NBI 2021: 1


SR 4 over GREAT MIAMI RIVER (Route: 4)
Num:900397x
Open: no restriction [A]
Built: 1956, 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): Steel continuous [4] Stringer/Multi-beam or girder [02]
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: 188.5 m = 618.5 ft
Main Spans: 8 at 26.1 m = 85.6 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 17.1 m = 56.1 ft (4 Lanes) and Out-To-Out: 18.4 m = 60.4 ft for a 17.6 m = 57.7 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Middletown [49840]: Butler County [017], Ohio [39]
Owned by State Highway Agency [01], DOT District: 8
OVER GREAT MIAMI
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 42.1 metric ton = 46.3 tons (Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading [7])
Inventory: 29.2 metric ton = 32.1 tons (Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading [7])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 2020 [0620] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 10340 (2015) and Trucks: 6%
Future ADT: 14352 (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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