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Nearby Bridges in NBI 2021: 2


FM over DRAINAGE DITCH (Route: 0)
Num:184330x
Open: no restriction [A]
Built: 0, Reconstructed: 1946
Historic: Bridge is possibly eligible for the NRHP. [3]

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: Bituminous [6]
Bridge Dimensions
Length: 10.7 m = 35.1 ft
Main Spans: 1 at 8.5 m = 27.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.7 m = 22.0 ft (2 Lanes) and Out-To-Out: 7.3 m = 24.0 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Humboldt County [091], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
91282301
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 31.6 metric ton = 34.8 tons (Load Factor(LF) [1])
Inventory: 19 metric ton = 20.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] 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:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 530 (2019) and Trucks: 11%
Future ADT: 530 (In 2040 )
LOCAL over DD (Route: 0)
Num:184341x
Open: no restriction [A]
Built: 2002, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.7 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:
Bridge Dimensions
Length: 23.8 m = 78.1 ft
Main Spans: 3 at 8.8 m = 28.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.5 m = 24.6 ft (2 Lanes) and Out-To-Out: 8.3 m = 27.2 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Humboldt County [091], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
91282302
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 76.1 metric ton = 83.7 tons (Load Factor(LF) [1])
Inventory: 45.5 metric ton = 50.1 tons (Load Factor(LF) [1])
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 the assessed or calculated scour condition. [8]
Inspections
Date: November 2018 [1118] and Frequency: 48
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 30 (2019) and Trucks: 0%
Future ADT: 30 (In 2038 )

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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