150TH ST over STREAM (Route: 0)
Num:346320x
Bridge closed to all traffic [K]
Built: 1892, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

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

Bridge Dimensions
Length: 55.8 m = 183.1 ft
Main Spans: 1 at 40.2 m = 131.9 ft
Approach Spans: 3
Skew: 0
Width, Roadway: 4.9 m = 16.1 ft (1 Lanes) and Out-To-Out: 5 m = 16.4 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 3.35 m = 11.0 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Winneshiek County [191], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
96090805

Condition
Deck: Fair [5]
Superstructure: Serious [3]
Substructure: Serious [3]
Loading
Design:
Operating: 0 metric ton = 0.0 tons (Allowable Stress(AS) [2])
Inventory: 0 metric ton = 0.0 tons (Allowable Stress(AS) [2])

Appraisal
Structural:
Deck Geometry:
Road Alignment: Basically intolerable requiring high priority of corrrective action [3]
Waterway: Meets minimum tolerable limits to be left in place as is [4] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: March 2013 [0313] and Frequency: 12

Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 30 (2017) and Trucks: 40%
Future ADT: 30 (In 2033 )

IA 24 over TURKEY RIVER OVERFLOW (Route: 24)
Num:52681x
Open: no restriction [A]
Built: 2006, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 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: 39.6 m = 129.9 ft
Main Spans: 3 at 15.5 m = 50.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 13.4 m = 44.0 ft (2 Lanes) and Out-To-Out: 14 m = 45.9 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Winneshiek County [191], Iowa [19]
Owned by State Highway Agency [01], DOT District: 2
0.7 mi. E of Jct. SR B32

Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 89.6 metric ton = 98.6 tons (Load Factor(LF) [1])
Inventory: 53.7 metric ton = 59.1 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 2020 [1020] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 2.3 km = 1.4 mi
Traffic
ADT: 2770 (2019) and Trucks: 14%
Future ADT: 2770 (In 2040 )

IA 24 over STREAM (Route: 24)
Num:52691x
Open: no restriction [A]
Built: 2008, 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] Culvert [19]
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: 11.9 m = 39.0 ft
Main Spans: 1 at 3.7 m = 12.1 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 0 m = 0.0 ft (2 Lanes) and Out-To-Out: 0 m = 0.0 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Winneshiek County [191], Iowa [19]
Owned by State Highway Agency [01], DOT District: 2
1.2 miles E of S.R. B32

Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18 / HS 20 [5]
Operating: 50 metric ton = 55.0 tons (Load Factor(LF) [1])
Inventory: 29.9 metric ton = 32.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: N/A [N]
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: November 2020 [1120] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 2770 (2019) and Trucks: 14%
Future ADT: 2770 (In 2040 )

IA 24 over TURKEY RIVER (Route: 24)
Num:52671x
Open: no restriction [A]
Built: 2006, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] 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: 95.7 m = 314.0 ft
Main Spans: 3 at 32.6 m = 107.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 13.4 m = 44.0 ft (2 Lanes) and Out-To-Out: 14.4 m = 47.2 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [02680]: Winneshiek County [191], Iowa [19]
Owned by State Highway Agency [01], DOT District: 2
0.5 mi. E of Jct. SR B32

Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 90.5 metric ton = 99.6 tons (Load Factor(LF) [1])
Inventory: 56.3 metric ton = 61.9 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 2020 [1020] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 2920 (2019) and Trucks: 13%
Future ADT: 2920 (In 2040 )