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Nearby Bridges in NBI 2021: 2


380TH ST over IOWA RIVER (Route: 0)
Num:316661x
Open: no restriction [A]
Built: 2017, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 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: 111.9 m = 367.1 ft
Main Spans: 3 at 37.2 m = 122.1 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 10 m = 32.8 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]: Tama County [171], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
82132606
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
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: Better than present minimum criteria [7]
Road Alignment: Better than present minimum criteria [7]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 1.4 km = 0.9 mi
Traffic
ADT: 50 (2017) and Trucks: 0%
Future ADT: 50 (In 2040 )
380TH ST over POND NEAR IOWA RIVER (Route: 0)
Num:366245x
Open: no restriction [A]
Built: 2017, 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): 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: 30.8 m = 101.1 ft
Main Spans: 3 at 11.9 m = 39.0 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 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]: Tama County [171], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
8213260303
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
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: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 2020 [0920] and Frequency: 48
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 1.4 km = 0.9 mi
Traffic
ADT: 50 (2017) and Trucks: 0%
Future ADT: 50 (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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