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Nearby Bridges in NBI 2021: 2


IA 136 over MISSISSIPPI RIVER & RR (Route: 136)
Num:21055x
Open: no restriction [A]
Built: 1974, 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 [3] Truss - Thru [10]
Approach Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]
Bridge Dimensions
Length: 918.1 m = 3012.3 ft
Main Spans: 3 at 152.4 m = 500.0 ft
Approach Spans: 22
Skew: 0
Width, Roadway: 7.6 m = 24.9 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 15.2 m = 49.9 ft approaching roadway.
Vertical Clearance: 5 m = 16.4 ft and Navigational Clearance: 19.5 m = 64.0 ft
Location
Unknown [01415]: Clinton County [045], Iowa [19]
Owned by State Highway Agency [01], DOT District: 6
IN NORTH CLINTON
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 70.5 metric ton = 77.6 tons (Load Factor(LF) [1])
Inventory: 42.1 metric ton = 46.3 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 10600 (2019) and Trucks: 2%
Future ADT: 10600 (In 2039 )
ILL 136 over MISSISSIPPI RV & RR (Route: 136)
Num:98990800000000x
Open: no restriction [A]
Built: 1974, 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 [3] Truss - Thru [10]
Approach Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Low slump Concrete [4]
Bridge Dimensions
Length: 918.1 m = 3012.3 ft
Main Spans: 3 at 152.4 m = 500.0 ft
Approach Spans: 22
Skew: 0
Width, Roadway: 7.6 m = 24.9 ft (2 Lanes) and Out-To-Out: 10.1 m = 33.1 ft for a 15.2 m = 49.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 19.5 m = 64.0 ft
Location
Unknown [02075]: Whiteside County [195], Illinois [17]
Owned by State Highway Agency [01], DOT District: 2
IN NORTH CLINTON
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 70 metric ton = 77.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 41.8 metric ton = 46.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 11700 (2019) and Trucks: 6%
Future ADT: 15800 (In 2040 )

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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