J ST over PRAIRIE CREEK (Route: 0)
Num:1470x
Open: no restriction [A]
Built: 1964, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 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: 68.9 m = 226.1 ft
Main Spans: 5 at 14.9 m = 48.9 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 8.7 m = 28.5 ft (2 Lanes) and Out-To-Out: 10.5 m = 34.5 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [01187]: Linn County [113], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
0

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: M 18 / H 20 [4]
Operating: 60.4 metric ton = 66.4 tons (Load Factor(LF) [1])
Inventory: 36.2 metric ton = 39.8 tons (Load Factor(LF) [1])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
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: 24

Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 4410 (2017) and Trucks: 0%
Future ADT: 4410 (In 2039 )

BOWLING ST over PRAIRIE CREEK (Route: 0)
Num:1480x
Open: no restriction [A]
Built: 1979, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.6 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: 58.8 m = 192.9 ft
Main Spans: 4 at 15.9 m = 52.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 15.5 m = 50.9 ft (4 Lanes) and Out-To-Out: 19.3 m = 63.3 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [01187]: Linn County [113], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
0

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: M 18 / H 20 [4]
Operating: 82.7 metric ton = 91.0 tons (Load Factor(LF) [1])
Inventory: 49.5 metric ton = 54.5 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
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: April 1999 [499] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 10900 (2017) and Trucks: 0%
Future ADT: 10900 (In 2039 )

BOWLING ST over UP RR (Route: 0)
Num:1490x
Open: no restriction [A]
Built: 1980, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 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: 50.3 m = 165.0 ft
Main Spans: 4 at 14.6 m = 47.9 ft
Approach Spans: 0
Skew: 11
Width, Roadway: 15.5 m = 50.9 ft (3 Lanes) and Out-To-Out: 19.3 m = 63.3 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [01187]: Linn County [113], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
0

Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 99.9 metric ton = 109.9 tons (Load Factor(LF) [1])
Inventory: 55.8 metric ton = 61.4 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: April 1999 [499] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 10900 (2017) and Trucks: 0%
Future ADT: 10900 (In 2039 )

SB I-380 over CIC RR & CITY ST (Route: 380)
Num:600570x
Open: no restriction [A]
Built: 1975, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 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: Low slump Concrete [4]

Bridge Dimensions
Length: 172.8 m = 567.0 ft
Main Spans: 8 at 22.3 m = 73.2 ft
Approach Spans: 0
Skew: 99
Width, Roadway: 15.9 m = 52.2 ft (3 Lanes) and Out-To-Out: 16.9 m = 55.4 ft for a 15.9 m = 52.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [01187]: Linn County [113], Iowa [19]
Owned by State Highway Agency [01], DOT District: 6
0.7 MI. N OF JCT. 30

Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 61.7 metric ton = 67.9 tons (Load Factor(LF) [1])
Inventory: 27.7 metric ton = 30.5 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: November 2020 [1120] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 33350 (2019) and Trucks: 12%
Future ADT: 33350 (In 2040 )

NB I-380 over CIC RR & CITY ST (Route: 380)
Num:600565x
Open: no restriction [A]
Built: 1975, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 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: Low slump Concrete [4]

Bridge Dimensions
Length: 172.8 m = 567.0 ft
Main Spans: 8 at 22.3 m = 73.2 ft
Approach Spans: 0
Skew: 99
Width, Roadway: 15.9 m = 52.2 ft (3 Lanes) and Out-To-Out: 16.9 m = 55.4 ft for a 15.9 m = 52.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [01187]: Linn County [113], Iowa [19]
Owned by State Highway Agency [01], DOT District: 6
0.7 mi. N of Jct. US 30

Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 64.9 metric ton = 71.4 tons (Load Factor(LF) [1])
Inventory: 30.9 metric ton = 34.0 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: November 2020 [1120] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 33350 (2019) and Trucks: 12%
Future ADT: 33350 (In 2040 )

NB I-380 over UP RR (Route: 380)
Num:603010x
Open: no restriction [A]
Built: 1974, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 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: Low slump Concrete [4]

Bridge Dimensions
Length: 90.5 m = 296.9 ft
Main Spans: 5 at 19.8 m = 65.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 15.9 m = 52.2 ft (3 Lanes) and Out-To-Out: 16.9 m = 55.4 ft for a 15.9 m = 52.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [01187]: Linn County [113], Iowa [19]
Owned by State Highway Agency [01], DOT District: 6
1.0 MI. N OF JCT. US 30

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 61.2 metric ton = 67.3 tons (Load Factor(LF) [1])
Inventory: 30.1 metric ton = 33.1 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: January 2021 [0121] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 33350 (2019) and Trucks: 12%
Future ADT: 33350 (In 2041 )

SB I-380 over UP RR (Route: 380)
Num:603012x
Open: no restriction [A]
Built: 1974, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 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: Low slump Concrete [4]

Bridge Dimensions
Length: 90.5 m = 296.9 ft
Main Spans: 5 at 19.8 m = 65.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 15.9 m = 52.2 ft (3 Lanes) and Out-To-Out: 16.9 m = 55.4 ft for a 15.9 m = 52.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [01187]: Linn County [113], Iowa [19]
Owned by State Highway Agency [01], DOT District: 6
1.0 MI. N OF JCT. US 30

Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 62.4 metric ton = 68.6 tons (Load Factor(LF) [1])
Inventory: 28.8 metric ton = 31.7 tons (Load Factor(LF) [1])

Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: January 2021 [0121] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 33350 (2019) and Trucks: 12%
Future ADT: 33350 (In 2041 )