Bridge Type
Main Span(s): Prestressed concrete [5] 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: 91.7 m = 300.9 ft
Main Spans: 3 at 32.6 m = 107.0 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 9.3 m = 30.5 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Story County [169], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
82232203
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 83.3 metric ton = 91.6 tons (Load Factor(LF) [1])
Inventory: 49.9 metric ton = 54.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: February 2021 [0221] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.4 km = 0.9 mi
Traffic
ADT: 290 (2019) and Trucks: 10%
Future ADT: 290 (In 2041
)