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Nearby Bridges in NBI 2021: 3


SB US 218 over CEDAR RIVER (Route: 218)
Num:601240x
Open: no restriction [A]
Built: 1993, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.4 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: 207 m = 679.2 ft
Main Spans: 7 at 29.6 m = 97.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.2 m = 43.3 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 [03792]: Bremer County [017], Iowa [19]
Owned by State Highway Agency [01], DOT District: 2
0.6 mi. N of Jct. SR C50
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 90.5 metric ton = 99.6 tons (Load Factor(LF) [1])
Inventory: 51.9 metric ton = 57.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: February 2021 [0221] and Frequency: 20
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 9750 (2019) and Trucks: 14%
Future ADT: 9750 (In 2041 )
NB US 218 over CEDAR RIVER (Route: 218)
Num:601235x
Open: no restriction [A]
Built: 1993, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 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: 207 m = 679.2 ft
Main Spans: 7 at 29.6 m = 97.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.2 m = 43.3 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 [03792]: Bremer County [017], Iowa [19]
Owned by State Highway Agency [01], DOT District: 2
0.6 mi. N of Jct. SR C50
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 90.5 metric ton = 99.6 tons (Load Factor(LF) [1])
Inventory: 48 metric ton = 52.8 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: February 2021 [0221] and Frequency: 20
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 9750 (2019) and Trucks: 14%
Future ADT: 9750 (In 2041 )
7TH ST over CEDAR RIVER (Route: 0)
Num:15490x
Posted for load [P]
Built: 1930, Reconstructed: 1986
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 146.9 m = 482.0 ft
Main Spans: 3 at 39.6 m = 129.9 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 6.7 m = 22.0 ft for a 11.6 m = 38.1 ft approaching roadway.
Vertical Clearance: 3.96 m = 13.0 ft and Navigational Clearance: 0 = N/A
Location
Unknown [03792]: Black Hawk County [013], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
0
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Serious [3]
Loading
Design: HL93 [A]
Operating: 13.6 metric ton = 15.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 10.4 metric ton = 11.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: October 1999 [1099] 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: 0.6 km = 0.4 mi
Traffic
ADT: 1640 (2017) and Trucks: 0%
Future ADT: 1640 (In 2039 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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