Bridge Type
Main Span(s): Prestressed concrete continuous [6] 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: 66.1 m = 216.9 ft
Main Spans: 3 at 24.7 m = 81.0 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.7 m = 35.1 ft for a 11.9 m = 39.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [01187]: Linn County [113], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
0
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 36.6 metric ton = 40.3 tons (Load Factor(LF) [1])
Inventory: 19.5 metric ton = 21.5 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.5 km = 0.9 mi
Traffic
ADT: 4910 (2013) and Trucks: 0%
Future ADT: 4910 (In 2039
)
