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Nearby Bridges in NBI 2021: 2


US 61 over OTTER CREEK (Route: 61)
Num:605965x
Open: no restriction [A]
Built: 1967, Reconstructed: 1996
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] 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: 9.8 m = 32.2 ft
Main Spans: 3 at 3 m = 9.8 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 0 m = 0.0 ft (4 Lanes) and Out-To-Out: 0 m = 0.0 ft for a 26.8 m = 87.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Dubuque County [061], Iowa [19]
Owned by State Highway Agency [01], DOT District: 6
0.3 MI. N. of Jct. SR D55
Condition
Deck: Not Applicable [N]
Superstructure: Not Applicable [N]
Substructure: Not Applicable [N]
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: N/A [N]
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 2020 [0420] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 8700 (2019) and Trucks: 18%
Future ADT: 8700 (In 2040 )
MAIN ST over OTTER CREEK (Route: 0)
Num:12895x
Open: no restriction [A]
Built: 1970, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Tee beam [04]
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: 15.9 m = 52.2 ft
Main Spans: 1 at 15.9 m = 52.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.4 m = 30.8 ft (2 Lanes) and Out-To-Out: 11.6 m = 38.1 ft for a 8.8 m = 28.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [08637]: Dubuque County [061], 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:
Operating: 34 metric ton = 37.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 17.5 metric ton = 19.3 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
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: April 1999 [499] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 170 (2009) and Trucks: 0%
Future ADT: 170 (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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