Bridge Type
Main Span(s): Concrete continuous [2] Slab [01]
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: 31.1 m = 102.0 ft
Main Spans: 3 at 11.9 m = 39.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 9.1 m = 29.9 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Boone County [015], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
84283202
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 49.9 metric ton = 54.9 tons (Allowable Stress(AS) [2])
Inventory: 29.9 metric ton = 32.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 2020 [0520] 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: 0.6 km = 0.4 mi
Traffic
ADT: 80 (2019) and Trucks: 0%
Future ADT: 80 (In 2040
)