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Nearby Bridges in NBI 2021: 2


IA 9 over TROUT CREEK (Route: 9)
Num:52610x
Open: no restriction [A]
Built: 1969, Reconstructed: 1998
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 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: 62.2 m = 204.1 ft
Main Spans: 3 at 25 m = 82.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 20.1 m = 65.9 ft (2 Lanes) and Out-To-Out: 21.1 m = 69.2 ft for a 20.7 m = 67.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [01867]: Winneshiek County [191], Iowa [19]
Owned by State Highway Agency [01], DOT District: 2
0.2 mi. W of SR A52
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 72.1 metric ton = 79.3 tons (Load Factor(LF) [1])
Inventory: 31.3 metric ton = 34.4 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Superior to present desirable criteria [9]
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: 3.9 km = 2.4 mi
Traffic
ADT: 14800 (2019) and Trucks: 5%
Future ADT: 14800 (In 2040 )
TROUT RUN RD over CREEK (Route: 0)
Num:347651x
Open: no restriction [A]
Built: 2013, 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] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 11 m = 36.1 ft
Main Spans: 3 at 3.7 m = 12.1 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 15.2 m = 49.9 ft (2 Lanes) and Out-To-Out: 17.7 m = 58.1 ft for a 9.1 m = 29.9 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 County Highway Agency [02], DOT District: 0
N edge of int. Stone Hill
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18 / HS 20 [5]
Operating: 49.7 metric ton = 54.7 tons (Load Factor(LF) [1])
Inventory: 29.8 metric ton = 32.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 5.6 km = 3.5 mi
Traffic
ADT: 2460 (2017) and Trucks: 5%
Future ADT: 2460 (In 2039 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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