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: 135.9 m = 445.9 ft
Main Spans: 4 at 36.6 m = 120.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 16.5 m = 54.1 ft (4 Lanes) and Out-To-Out: 26 m = 85.3 ft for a 16.5 m = 54.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Amity [01945]: Polk County [153], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
78240400
Condition
Deck: Very Good [8]
Superstructure: Excellent [9]
Substructure: Very Good [8]
Loading
Design: HL93 [A]
Operating: 69.7 metric ton = 76.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 47.3 metric ton = 52.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: June 1999 [699] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 8200 (2012) and Trucks: 0%
Future ADT: 8200 (In 2039
)