LOCAL over TROUBLESOME CREEK (Route: 0)
Num:66410x
Bridge closed to all traffic [K]
Built: 1929, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Deck: Wood or Timber [8] with Wearing Surface: Gravel [8]

Bridge Dimensions
Length: 27.4 m = 89.9 ft
Main Spans: 1 at 15.2 m = 49.9 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 5.8 m = 19.0 ft (2 Lanes) and Out-To-Out: 6.1 m = 20.0 ft for a 7 m = 23.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Audubon County [009], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
78340707

Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Serious [3]
Loading
Design:
Operating: 20.6 metric ton = 22.7 tons (Allowable Stress(AS) [2])
Inventory: 14.6 metric ton = 16.1 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 2020 [1020] and Frequency: 12

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: 50 (2012) and Trucks: 18%
Future ADT: 50 (In 2040 )

F58 LITTLEFIELD DR over CREEK (Route: 0)
Num:66421x
Open: no restriction [A]
Built: 2005, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Slab [01]
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: 38.1 m = 125.0 ft
Main Spans: 3 at 14.6 m = 47.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 9.8 m = 32.2 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Audubon County [009], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
FM 078340802

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 88.4 metric ton = 97.2 tons (Load Factor(LF) [1])
Inventory: 52.9 metric ton = 58.2 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 550 (2016) and Trucks: 15%
Future ADT: 550 (In 2039 )