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Nearby Bridges in NBI 2021: 1


US-431 over GREEN RIVER & ROUGH RIVE (Route: 431)
Num:075B00018Nx
Posted for load [P]
Built: 1939, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel [3] Girder and floorbeam system [03]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 501.1 m = 1644.1 ft
Main Spans: 1 at 97.5 m = 319.9 ft
Approach Spans: 14
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.2 m = 26.9 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 5.41 m = 17.8 ft and Navigational Clearance: 22 m = 72.2 ft
Location
Unknown [00000]: McLean County [149], Kentucky [21]
Owned by State Highway Agency [01], DOT District: 2
.50 MI SOU. OF JCT KY 136
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 34.6 metric ton = 38.1 tons (Load Factor(LF) [1])
Inventory: 20.7 metric ton = 22.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 2020 [0520] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 2.8 km = 1.7 mi
Traffic
ADT: 6008 (2017) and Trucks: 17%
Future ADT: 6008 (In 2037 )

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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