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: 64.9 m = 212.9 ft
Main Spans: 5 at 14 m = 45.9 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 21.9 m = 71.9 ft (5 Lanes) and Out-To-Out: 28.7 m = 94.2 ft for a 19.8 m = 65.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [01557]: Johnson County [103], Iowa [19]
Owned by State Highway Agency [01], DOT District: 6
0.3 mi. W of Jct. 1st Ave
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: M 18 / H 20 [4]
Operating: 88.9 metric ton = 97.8 tons (Load Factor(LF) [1])
Inventory: 62 metric ton = 68.2 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: March 2021 [0321] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 32400 (2019) and Trucks: 2%
Future ADT: 32400 (In 2041
)