325TH ST over SMALL STREAM (Route: 0)
Num:313850x
Bridge closed to all traffic [K]
Built: 1905, Reconstructed: 1920
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]

Bridge Dimensions
Length: 13.7 m = 44.9 ft
Main Spans: 1 at 7.6 m = 24.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.1 m = 16.7 ft (1 Lanes) and Out-To-Out: 5.5 m = 18.0 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Story County [169], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
82222605

Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design:
Operating: 0 metric ton = 0.0 tons ()
Inventory: 0 metric ton = 0.0 tons ()

Appraisal
Structural:
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: Better than present minimum criteria [7] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: February 2021 [0221] 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: 35 (2019) and Trucks: 0%
Future ADT: 35 (In 2041 )

663RD AVE over SMALL STREAM (Route: 0)
Num:313861x
Open: no restriction [A]
Built: 2011, 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): Concrete continuous [2] Culvert [19]
Approach Span(s): Other [00]
Deck: Not applicable [N] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]

Bridge Dimensions
Length: 6.7 m = 22.0 ft
Main Spans: 2 at 3.2 m = 10.5 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 0 m = 0.0 ft (2 Lanes) and Out-To-Out: 0 m = 0.0 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Story County [169], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
82222608

Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: MS 18 / HS 20 [5]
Operating: 54.4 metric ton = 59.8 tons (Load Factor(LF) [1])
Inventory: 32.7 metric ton = 36.0 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: N/A [N]
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: February 2021 [0221] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 70 (2019) and Trucks: 0%
Future ADT: 70 (In 2041 )