US 59 & IA 175 over MAPLE RIVER (Route: 59)
Num:29141x
Open: no restriction [A]
Built: 1989, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 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: 101.8 m = 334.0 ft
Main Spans: 5 at 29.6 m = 97.1 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.2 m = 43.3 ft for a 14.6 m = 47.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Ida County [093], Iowa [19]
Owned by State Highway Agency [01], DOT District: 3
1 mi. S of N jct. IA 175

Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 90.5 metric ton = 99.6 tons (Allowable Stress(AS) [2])
Inventory: 58.9 metric ton = 64.8 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: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 1999 [1099] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 3.1 km = 1.9 mi
Traffic
ADT: 4260 (2019) and Trucks: 14%
Future ADT: 4260 (In 2039 )

ROHWER ST over BADGER CREEK (Route: 0)
Num:6181x
Open: no restriction [A]
Built: 2007, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 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: 17.7 m = 58.1 ft
Main Spans: 1 at 16.8 m = 55.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 12.8 m = 42.0 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 [03650]: Ida County [093], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
87401402

Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 76.7 metric ton = 84.4 tons (Load Factor(LF) [1])
Inventory: 41.5 metric ton = 45.7 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
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: February 2020 [0220] and Frequency: 24

Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 2290 (2019) and Trucks: 0%
Future ADT: 2290 (In 2040 )