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Nearby Bridges in NBI 2021: 1


US 30 over E BR BIG ROCK CREEK (Route: 30)
Num:45200600000000x
Open: no restriction [A]
Built: 1984, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

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Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete continuous [6] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 39 m = 128.0 ft
Main Spans: 3 at 12.6 m = 41.3 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.2 m = 43.3 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00512]: Kane County [089], Illinois [17]
Owned by State Highway Agency [01], DOT District: 1
1.7M E OF KANE-DEK L
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 64.5 metric ton = 71.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 38.9 metric ton = 42.8 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
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 desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 1999 [699] and Frequency: 48
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 5250 (2019) and Trucks: 15%
Future ADT: 7082 (In 2032 )

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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