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Nearby Bridges in NBI 2021: 3


FM over IOWA RIVER (Route: 0)
Num:243465x
Bridge closed to all traffic [K]
Built: 1952, 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] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]
Bridge Dimensions
Length: 61.9 m = 203.1 ft
Main Spans: 2 at 30.5 m = 100.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 9.4 m = 30.8 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 [04797]: Marshall County [127], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
84182600
Condition
Deck:
Superstructure:
Substructure:
Loading
Design: M 13.5 / H 15 [2]
Operating: 0 metric ton = 0.0 tons (Load Factor(LF) [1])
Inventory: 0 metric ton = 0.0 tons (Load Factor(LF) [1])
Appraisal
Structural:
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Equal to present minimum criteria [6] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: November 2020 [1120] 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: 2.4 km = 1.5 mi
Traffic
ADT: 750 (2017) and Trucks: 8%
Future ADT: 750 (In 2040 )
NORTH CENTER ST over IOWA RIVER OVERFLOW (Route: 0)
Num:243461x
New structure not yet open to traffic [G]
Built: 2020, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 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: 46 m = 150.9 ft
Main Spans: 3 at 18 m = 59.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.3 m = 30.5 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 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]: Marshall County [127], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
84182604
Condition
Deck: Excellent [9]
Superstructure: Excellent [9]
Substructure: Excellent [9]
Loading
Design: HL93 [A]
Operating: 42.1 metric ton = 46.3 tons (Unknown [F])
Inventory: 32.4 metric ton = 35.6 tons (Unknown [F])
Appraisal
Structural: Equal to present desirable criteria [8]
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 assessed or calculated scour condition. [5]
Inspections
Date: November 2020 [1120] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 750 (2017) and Trucks: 8%
Future ADT: 750 (In 2040 )
FM over ASHER CREEK (Route: 0)
Num:243430x
Posted for load [P]
Built: 1920, Reconstructed: 1978
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Concrete continuous [2] Arch - Deck [11]
Approach Span(s): Concrete [1] Tee beam [04]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]
Bridge Dimensions
Length: 59.4 m = 194.9 ft
Main Spans: 2 at 23.2 m = 76.1 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 9.2 m = 30.2 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]: Marshall County [127], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
84182306
Condition
Deck: Serious [3]
Superstructure: Serious [3]
Substructure: Serious [3]
Loading
Design: M 13.5 / H 15 [2]
Operating: 16.8 metric ton = 18.5 tons (Load Factor(LF) [1])
Inventory: 10.1 metric ton = 11.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: November 2020 [1120] 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: 750 (2017) and Trucks: 8%
Future ADT: 750 (In 2040 )

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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