F24 LINDEN RD over STREAM (Route: 0)
Num:47880x
Open: no restriction [A]
Built: 1927, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 7 m = 23.0 ft
Main Spans: 1 at 6.4 m = 21.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 8.6 m = 28.2 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Shelby County [165], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
81383104

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design:
Operating: 46.8 metric ton = 51.5 tons (Allowable Stress(AS) [2])
Inventory: 36.1 metric ton = 39.7 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 desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Inspections
Date: April 2020 [0420] 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: 490 (2016) and Trucks: 14%
Future ADT: 490 (In 2040 )

F24 (LINDEN RD) over W FORK NISNABOTNA RIVER (Route: 0)
Num:47891x
Open: no restriction [A]
Built: 2012, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 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: 92.7 m = 304.1 ft
Main Spans: 3 at 37.2 m = 122.1 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Shelby County [165], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
LINDEN/F24

Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: HL93 [A]
Operating: 62.2 metric ton = 68.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 43.1 metric ton = 47.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])

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: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: April 2020 [0420] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 490 (2016) and Trucks: 14%
Future ADT: 490 (In 2040 )