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Nearby Bridges in NBI 2021: 2


N 5TH ST over NORTH RACCOON RIVER (Route: 0)
Num:10160x
Open: no restriction [A]
Built: 1973, 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): Steel continuous [4] 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: 62.2 m = 204.1 ft
Main Spans: 3 at 23.8 m = 78.1 ft
Approach Spans: 0
Skew: 18
Width, Roadway: 9.8 m = 32.2 ft (2 Lanes) and Out-To-Out: 12.1 m = 39.7 ft for a 10.1 m = 33.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [06717]: Sac County [161], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
88362400
Condition
Deck: Poor [4]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 21.3 metric ton = 23.4 tons (Load Factor(LF) [1])
Inventory: 12.8 metric ton = 14.1 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
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: August 1999 [899] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 1160 (2019) and Trucks: 0%
Future ADT: 1160 (In 2039 )
AHRENS ST over RACCOON RIVER (Route: 0)
Num:503670x
Open: no restriction [A]
Built: 1982, 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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 70.1 m = 230.0 ft
Main Spans: 3 at 25 m = 82.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 11.9 m = 39.0 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 [06717]: Sac County [161], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
88362500
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 64.5 metric ton = 71.0 tons (Allowable Stress(AS) [2])
Inventory: 25.1 metric ton = 27.6 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 370 (2019) and Trucks: 0%
Future ADT: 370 (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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