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: 152.4 m = 500.0 ft
Main Spans: 5 at 35.4 m = 116.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 15.2 m = 49.9 ft (4 Lanes) and Out-To-Out: 18.3 m = 60.0 ft for a 15.2 m = 49.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Brandon [08155]: Black Hawk County [013], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
CITY BRIDGE NO. 13
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 64.7 metric ton = 71.2 tons (Load Factor(LF) [1])
Inventory: 38.8 metric ton = 42.7 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] 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: 0.3 km = 0.2 mi
Traffic
ADT: 11400 (2017) and Trucks: 0%
Future ADT: 11400 (In 2039
)