US 6 over NORTH RACCOON RIVER (Route: 6)
Num:21811x
Open: no restriction [A]
Built: 1977, Reconstructed: 1999
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0.1 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: Low slump Concrete [4]

Bridge Dimensions
Length: 145.4 m = 477.1 ft
Main Spans: 5 at 29.3 m = 96.1 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 16.8 m = 55.1 ft (4 Lanes) and Out-To-Out: 17.7 m = 58.1 ft for a 20.7 m = 67.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00035]: Dallas County [049], Iowa [19]
Owned by State Highway Agency [01], DOT District: 4
0.3 mi. E of E Jct US 169

Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 82.3 metric ton = 90.5 tons (Load Factor(LF) [1])
Inventory: 49.3 metric ton = 54.2 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
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: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 1999 [1099] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 9500 (2019) and Trucks: 6%
Future ADT: 9500 (In 2039 )

LOCAL over NORTH RACCOON RIVER (Route: 0)
Num:131670x
Bridge closed to all traffic [K]
Built: 1882, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]

Bridge Dimensions
Length: 118.9 m = 390.1 ft
Main Spans: 2 at 45.1 m = 148.0 ft
Approach Spans: 5
Skew: 0
Width, Roadway: 4.8 m = 15.7 ft (1 Lanes) and Out-To-Out: 4.8 m = 15.7 ft for a 7 m = 23.0 ft approaching roadway.
Vertical Clearance: 4.45 m = 14.6 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00035]: Dallas County [049], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
A21600635

Condition
Deck:
Superstructure:
Substructure:
Loading
Design:
Operating: 0 metric ton = 0.0 tons ()
Inventory: 0 metric ton = 0.0 tons ()

Appraisal
Structural:
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment:
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: November 1999 [1199] 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: 0.5 km = 0.3 mi
Traffic
ADT: 180 (1996) and Trucks: 0%
Future ADT: 180 (In 2039 )

US 6 over RACCOON RIVER OVERFLOW (Route: 6)
Num:21821x
Open: no restriction [A]
Built: 1977, Reconstructed: 1999
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): Concrete continuous [2] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]

Bridge Dimensions
Length: 42.1 m = 138.1 ft
Main Spans: 3 at 16.2 m = 53.2 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 20.4 m = 66.9 ft (4 Lanes) and Out-To-Out: 21.3 m = 69.9 ft for a 19.5 m = 64.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00035]: Dallas County [049], Iowa [19]
Owned by State Highway Agency [01], DOT District: 4
0.6 mi. E of E Jct US 169

Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 43.6 metric ton = 48.0 tons (Load Factor(LF) [1])
Inventory: 26.1 metric ton = 28.7 tons (Load Factor(LF) [1])

Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Superior to present desirable criteria [9]
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: October 1999 [1099] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 1.8 km = 1.1 mi
Traffic
ADT: 9500 (2019) and Trucks: 6%
Future ADT: 9500 (In 2039 )