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Nearby Bridges in NBI 2021: 3


THOMAS ST over MIDDLE RIVER (Route: 0)
Num:1010x
Posted for load [P]
Built: 1940, 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): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 29.3 m = 96.1 ft
Main Spans: 1 at 27.4 m = 89.9 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 5.8 m = 19.0 ft (2 Lanes) and Out-To-Out: 6.2 m = 20.3 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [01152]: Adair County [001], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
77320300
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design:
Operating: 16.3 metric ton = 17.9 tons (Allowable Stress(AS) [2])
Inventory: 7.3 metric ton = 8.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
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 with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: March 2021 [0321] 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: 0.3 km = 0.2 mi
Traffic
ADT: 152 (1998) and Trucks: 0%
Future ADT: 152 (In 2041 )
ANTIQUE CO.DR over MIDDLE RIVER (Route: 0)
Num:1020x
Open: no restriction [A]
Built: 1958, Reconstructed: 2001
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): 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: 48.2 m = 158.1 ft
Main Spans: 3 at 15.9 m = 52.2 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [01152]: Adair County [001], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
77320352
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 63.3 metric ton = 69.6 tons (Load Factor(LF) [1])
Inventory: 34.3 metric ton = 37.7 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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: May 2020 [0520] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 1.4 km = 0.9 mi
Traffic
ADT: 1030 (2016) and Trucks: 0%
Future ADT: 1030 (In 2040 )
RUSSELL ST over MIDDLE RIVER (Route: 0)
Num:1030x
Posted for load [P]
Built: 1940, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
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: 25 m = 82.0 ft
Main Spans: 1 at 24.4 m = 80.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.7 m = 18.7 ft (2 Lanes) and Out-To-Out: 6.1 m = 20.0 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [01152]: Adair County [001], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
77320300
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 27.9 metric ton = 30.7 tons (Allowable Stress(AS) [2])
Inventory: 15.6 metric ton = 17.2 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: March 2021 [0321] 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: 0.3 km = 0.2 mi
Traffic
ADT: 152 (1998) and Trucks: 0%
Future ADT: 152 (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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