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Nearby Bridges in NBI 2021: 2


FM over OLD CHANNEL DES MOINES R (Route: 0)
Num:268691x
Open: no restriction [A]
Built: 1994, 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:
Bridge Dimensions
Length: 54.6 m = 179.1 ft
Main Spans: 3 at 19.8 m = 65.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.3 m = 30.5 ft (2 Lanes) and Out-To-Out: 9.8 m = 32.2 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]: Palo Alto County [147], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
94311603
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 77.1 metric ton = 84.8 tons (Allowable Stress(AS) [2])
Inventory: 39.4 metric ton = 43.3 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] and Frequency: 48
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 670 (2019) and Trucks: 16%
Future ADT: 670 (In 2039 )
FM over DD 81 (Route: 0)
Num:268701x
Open: no restriction [A]
Built: 1994, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 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:
Bridge Dimensions
Length: 75 m = 246.1 ft
Main Spans: 3 at 25 m = 82.0 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]: Palo Alto County [147], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
94311705
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 85.3 metric ton = 93.8 tons (Allowable Stress(AS) [2])
Inventory: 37.1 metric ton = 40.8 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] and Frequency: 48
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 670 (2019) and Trucks: 16%
Future ADT: 670 (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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