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Nearby Bridges in NBI 2021: 2


LOCAL ROAD over MUD CREEK (Route: 0)
Num:280770x
Posted for load [P]
Built: 1913, Reconstructed: N/A [0000]
Historic: Bridge is possibly eligible for the NRHP. [3]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Gravel [8]
Bridge Dimensions
Length: 11.9 m = 39.0 ft
Main Spans: 1 at 11 m = 36.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5.2 m = 17.1 ft (2 Lanes) and Out-To-Out: 6.1 m = 20.0 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Polk County [153], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
78222706
Condition
Deck: Poor [4]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design:
Operating: 16.5 metric ton = 18.2 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 12.6 metric ton = 13.9 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 2020 [0620] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 80 (2016) and Trucks: 0%
Future ADT: 80 (In 2040 )
FM over MUD CREEK (Route: 0)
Num:280760x
Open: no restriction [A]
Built: 1968, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.6 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: 53.3 m = 174.9 ft
Main Spans: 3 at 21 m = 68.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 8.6 m = 28.2 ft (2 Lanes) and Out-To-Out: 9.2 m = 30.2 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Polk County [153], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
78222705
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: M 18 / H 20 [4]
Operating: 36.9 metric ton = 40.6 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 28.5 metric ton = 31.4 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
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 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: July 1999 [799] 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: 0.3 km = 0.2 mi
Traffic
ADT: 800 (2016) and Trucks: 6%
Future ADT: 800 (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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