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Nearby Bridges in NBI 2021: 2


LOCAL over BEAVER CREEK (Route: 0)
Num:78050x
Posted for load [P]
Built: 1930, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 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: Gravel [8]
Bridge Dimensions
Length: 11.3 m = 37.1 ft
Main Spans: 1 at 11.3 m = 37.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.6 m = 21.7 ft (2 Lanes) and Out-To-Out: 7.2 m = 23.6 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 [00000]: Boone County [015], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
84282801
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 25.1 metric ton = 27.6 tons (Allowable Stress(AS) [2])
Inventory: 11.6 metric ton = 12.8 tons (Allowable Stress(AS) [2])
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: Better than present minimum criteria [7]
Waterway: Equal to present minimum criteria [6] 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: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 30 (2019) and Trucks: 0%
Future ADT: 30 (In 2040 )
LOCAL over BEAVER CREEK (Route: 0)
Num:78060x
Posted for other load-capacity restriction [R]
Built: 0, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 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: Gravel [8]
Bridge Dimensions
Length: 11.6 m = 38.1 ft
Main Spans: 1 at 11 m = 36.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.5 m = 18.0 ft (2 Lanes) and Out-To-Out: 6.1 m = 20.0 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]: Boone County [015], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
84282802
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design:
Operating: 31.7 metric ton = 34.9 tons (Allowable Stress(AS) [2])
Inventory: 17.3 metric ton = 19.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
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: May 2020 [0520] 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: 0.6 km = 0.4 mi
Traffic
ADT: 10 (2019) and Trucks: 0%
Future ADT: 10 (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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