FM over WEST FORK CEDAR RIVER (Route: 0)
Num:86640x
Posted for load [P]
Built: 1920, Reconstructed: 1956
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]

Bridge Dimensions
Length: 100.6 m = 330.1 ft
Main Spans: 1 at 45.7 m = 149.9 ft
Approach Spans: 4
Skew: 0
Width, Roadway: 5.1 m = 16.7 ft (2 Lanes) and Out-To-Out: 6.2 m = 20.3 ft for a 7 m = 23.0 ft approaching roadway.
Vertical Clearance: 3.81 m = 12.5 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Butler County [023], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
90151102

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Serious [3]
Loading
Design:
Operating: 31 metric ton = 34.1 tons (Allowable Stress(AS) [2])
Inventory: 7.3 metric ton = 8.0 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: April 2020 [0420] 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: 1.1 km = 0.7 mi
Traffic
ADT: 80 (2017) and Trucks: 0%
Future ADT: 80 (In 2040 )

FM over DRAINAGE (Route: 0)
Num:86630x
Posted for other load-capacity restriction [R]
Built: 0, Reconstructed: 1997
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]

Bridge Dimensions
Length: 11.9 m = 39.0 ft
Main Spans: 2 at 5.8 m = 19.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.5 m = 18.0 ft (1 Lanes) and Out-To-Out: 5.5 m = 18.0 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Butler County [023], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
90151102

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 40 metric ton = 44.0 tons (Allowable Stress(AS) [2])
Inventory: 32.2 metric ton = 35.4 tons (Allowable Stress(AS) [2])

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: Better than present minimum criteria [7]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: April 1999 [499] 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: 1.4 km = 0.9 mi
Traffic
ADT: 80 (2017) and Trucks: 0%
Future ADT: 80 (In 2039 )