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Nearby Bridges in NBI 2021: 2


US 65 over IOWA RIVER (Route: 65)
Num:27141x
Open: no restriction [A]
Built: 2011, 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): Steel [3] Arch - Thru [12]
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: 89.5 m = 293.6 ft
Main Spans: 1 at 87.9 m = 288.4 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.8 m = 42.0 ft (3 Lanes) and Out-To-Out: 19.4 m = 63.7 ft for a 12.8 m = 42.0 ft approaching roadway.
Vertical Clearance: 6.35 m = 20.8 ft and Navigational Clearance: 0 = N/A
Location
Unknown [03720]: Hardin County [083], Iowa [19]
Owned by State Highway Agency [01], DOT District: 1
0.1 MI. S JCT. S.R. D20
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: HL93 [A]
Operating: 50.5 metric ton = 55.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 38.9 metric ton = 42.8 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: Meets minimum tolerable limits to be left in place as is [4]
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: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 9400 (2019) and Trucks: 9%
Future ADT: 9400 (In 2039 )
RIVER ST over IOWA RIVER (Route: 0)
Num:6610x
Open: no restriction [A]
Built: 1922, Reconstructed: 1984
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 54.9 m = 180.1 ft
Main Spans: 1 at 42.7 m = 140.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 13.7 m = 44.9 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 [03720]: Hardin County [083], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
0
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 44.1 metric ton = 48.5 tons ()
Inventory: 32.7 metric ton = 36.0 tons ()
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: January 2021 [0121] 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 km = 0.0 mi
Traffic
ADT: 2390 (2017) and Trucks: 0%
Future ADT: 2390 (In 2041 )

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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