15 AVE over BRANCH PRAIRIE CREEK (Route: 0)
Num:14540x
Open: no restriction [A]
Built: 1959, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 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: 9.4 m = 30.8 ft
Main Spans: 2 at 4.3 m = 14.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 0 m = 0.0 ft (2 Lanes) and Out-To-Out: 0 m = 0.0 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Benton County [011], Iowa [19]
Owned by County Highway Agency [02], DOT District: 6
83121306

Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
Loading
Design: M 18 / H 20 [4]
Operating: 41 metric ton = 45.1 tons (Load Factor(LF) [1])
Inventory: 24.6 metric ton = 27.1 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: N/A [N]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: March 2020 [0320] and Frequency: 24

Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 2.6 km = 1.6 mi
Traffic
ADT: 1150 (2017) and Trucks: 12%
Future ADT: 1150 (In 2040 )

LOCAL over BR PRAIRIE CREEK (Route: 0)
Num:71491x
Open: no restriction [A]
Built: 1994, 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): 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: 24.1 m = 79.1 ft
Main Spans: 3 at 8.8 m = 28.9 ft
Approach Spans: 0
Skew: 45
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]: Benton County [011], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
83122301

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 62.2 metric ton = 68.4 tons (Allowable Stress(AS) [2])
Inventory: 37.1 metric ton = 40.8 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
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: April 1999 [499] and Frequency: 48

Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 140 (2017) and Trucks: 0%
Future ADT: 140 (In 2039 )

5TH AVE over PRAIRIE CREEK (Route: 0)
Num:14551x
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): 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: 31.4 m = 103.0 ft
Main Spans: 1 at 30.5 m = 100.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13 m = 42.7 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 [03972]: Benton County [011], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
83211302

Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: HL93 [A]
Operating: 70 metric ton = 77.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 53.8 metric ton = 59.2 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: Better than present minimum criteria [7]
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: July 2020 [0720] and Frequency: 48

Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 1150 (2017) and Trucks: 0%
Future ADT: 1150 (In 2040 )