Bridge Type
Main Span(s): Steel continuous [4] Truss - Thru [10]
Approach Span(s): Steel [3] Truss - Deck [09]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 430.7 m = 1413.1 ft
Main Spans: 3 at 122.5 m = 401.9 ft
Approach Spans: 4
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 6.7 m = 22.0 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 4.39 m = 14.4 ft and Navigational Clearance: 6 m = 19.7 ft
Location
Plattsmouth [39345]: Cass County [025], Nebraska [31]
Owned by Other Local Agencies [25], DOT District: 2
2E PLATTSMOUTH
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: M 13.5 / H 15 [2]
Operating: 35 metric ton = 38.5 tons (Load Factor(LF) [1])
Inventory: 21 metric ton = 23.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 1999 [1099] 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: 24 km = 14.9 mi
Traffic
ADT: 1385 (2012) and Trucks: 12%
Future ADT: 1870 (In 2033
)
