Bridge Type
Main Span(s): Steel continuous [4] 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: 48.5 m = 159.1 ft
Main Spans: 3 at 18.3 m = 60.0 ft
Approach Spans: 0
Skew: 33
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.5 m = 27.9 ft for a 9.8 m = 32.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Dubuque County [061], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
089E13617
Condition
Deck: Serious [3]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: M 13.5 / H 15 [2]
Operating: 34.5 metric ton = 38.0 tons (Allowable Stress(AS) [2])
Inventory: 20.9 metric ton = 23.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: June 2020 [0620] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 2.1 km = 1.3 mi
Traffic
ADT: 2390 (2017) and Trucks: 17%
Future ADT: 2390 (In 2040
)
