Bridge Type
Main Span(s): Concrete continuous [2] Arch - Deck [11]
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: 96 m = 315.0 ft
Main Spans: 3 at 32 m = 105.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 14.6 m = 47.9 ft (4 Lanes) and Out-To-Out: 21.3 m = 69.9 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [03715]: Johnson County [103], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
0
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 53.2 metric ton = 58.5 tons (Load Factor(LF) [1])
Inventory: 31.9 metric ton = 35.1 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: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] 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: 1.4 km = 0.9 mi
Traffic
ADT: 9100 (2018) and Trucks: 0%
Future ADT: 9100 (In 2039
)