D AVENUE over NISHNABOTNA RIVER (Route: 0)
Num:268530x
Posted for load [P]
Built: 1949, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 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: 111.3 m = 365.2 ft
Main Spans: 3 at 38.4 m = 126.0 ft
Approach Spans: 1
Skew: 30
Width, Roadway: 6.8 m = 22.3 ft (2 Lanes) and Out-To-Out: 7.2 m = 23.6 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 [00000]: Page County [145], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
70392302

Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design: M 13.5 / H 15 [2]
Operating: 20.2 metric ton = 22.2 tons (Load Factor(LF) [1])
Inventory: 12.2 metric ton = 13.4 tons (Load Factor(LF) [1])

Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: November 2020 [1120] 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: 2.4 km = 1.5 mi
Traffic
ADT: 480 (2016) and Trucks: 18%
Future ADT: 480 (In 2040 )

FIELD ENTRANCE over DRAINAGE (SDB) (Route: 0)
Num:363285x
Posted for load [P]
Built: 0, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]

Bridge Dimensions
Length: 7 m = 23.0 ft
Main Spans: 1 at 6.7 m = 22.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6 m = 19.7 ft (2 Lanes) and Out-To-Out: 6.2 m = 20.3 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00000]: Page County [145], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
70391402

Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design:
Operating: 25.8 metric ton = 28.4 tons (Allowable Stress(AS) [2])
Inventory: 18.5 metric ton = 20.4 tons (Allowable Stress(AS) [2])

Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
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: November 2020 [1120] 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: 15.9 km = 9.9 mi
Traffic
ADT: 10 (2016) and Trucks: 0%
Future ADT: 170 (In 2040 )