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Nearby Bridges in NBI 2021: 4


US 18 WB over IA NORTHERN RR & STREAM (Route: 18)
Num:606620x
Open: no restriction [A]
Built: 1998, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 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: 184.1 m = 604.0 ft
Main Spans: 6 at 36.9 m = 121.1 ft
Approach Spans: 0
Skew: 2
Width, Roadway: 12 m = 39.4 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 ft for a 14 m = 45.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Floyd County [067], Iowa [19]
Owned by State Highway Agency [01], DOT District: 2
1.1 mi. E of Jct SR S70
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 62 metric ton = 68.2 tons (Load Factor(LF) [1])
Inventory: 39 metric ton = 42.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 5850 (2019) and Trucks: 21%
Future ADT: 5850 (In 2040 )
US 18 EB over IA NORTHERN RR & STREAM (Route: 18)
Num:606615x
Open: no restriction [A]
Built: 1998, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 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: 184.1 m = 604.0 ft
Main Spans: 6 at 35.7 m = 117.1 ft
Approach Spans: 0
Skew: 2
Width, Roadway: 12 m = 39.4 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 ft for a 14 m = 45.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Floyd County [067], Iowa [19]
Owned by State Highway Agency [01], DOT District: 2
1.1 mi. E of Jct. SR S70
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 66.3 metric ton = 72.9 tons (Load Factor(LF) [1])
Inventory: 33.5 metric ton = 36.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 5850 (2019) and Trucks: 21%
Future ADT: 5850 (In 2040 )
LOCAL over CREEK (Route: 0)
Num:155670x
Posted for load [P]
Built: 1958, 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 [1] Channel beam [22]
Approach Span(s): Other [00]
Deck: Concrete Precast Panels [2] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 8.8 m = 28.9 ft
Main Spans: 1 at 8.5 m = 27.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.4 m = 21.0 ft (2 Lanes) and Out-To-Out: 6.9 m = 22.6 ft for a 6.4 m = 21.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Floyd County [067], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
96182003
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design:
Operating: 35.6 metric ton = 39.2 tons ()
Inventory: 21.3 metric ton = 23.4 tons ()
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: March 2020 [0320] 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: 0.8 km = 0.5 mi
Traffic
ADT: 80 (2017) and Trucks: 0%
Future ADT: 80 (In 2040 )
US 18 EB over SHELL R RIVER & R BALL R (Route: 18)
Num:606625x
Open: no restriction [A]
Built: 1999, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 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: 147.8 m = 484.9 ft
Main Spans: 5 at 34.1 m = 111.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.2 m = 43.3 ft for a 14 m = 45.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Floyd County [067], Iowa [19]
Owned by State Highway Agency [01], DOT District: 2
1.5 mi. E of SR S70
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 82.9 metric ton = 91.2 tons (Load Factor(LF) [1])
Inventory: 37.9 metric ton = 41.7 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
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: March 2021 [0321] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 5850 (2019) and Trucks: 21%
Future ADT: 5850 (In 2041 )

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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