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: 574.6 m = 1885.3 ft
Main Spans: 9 at 76.7 m = 251.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 24.4 m = 80.1 ft (4 Lanes) and Out-To-Out: 26.3 m = 86.3 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Linn County [113], Iowa [19]
Owned by State Highway Agency [01], DOT District: 6
1.7 Mi. NE of E36
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: HL93 [A]
Operating: 42.1 metric ton = 46.3 tons (Unknown [F])
Inventory: 32.4 metric ton = 35.6 tons (Unknown [F])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: November 2020 [1120] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 11300 (2019) and Trucks: 8%
Future ADT: 11300 (In 2040
)
