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: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 76.8 m = 252.0 ft
Main Spans: 3 at 30.4 m = 99.7 ft
Approach Spans: 0
Skew: 37
Width, Roadway: 13.4 m = 44.0 ft (2 Lanes) and Out-To-Out: 19.8 m = 65.0 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [01051]: Cook County [031], Illinois [17]
Owned by City or Municipal Highway Agency [04], DOT District: 1
4800 N. & 2900 W.
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 59.9 metric ton = 65.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 36 metric ton = 39.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] 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: 0.2 km = 0.1 mi
Traffic
ADT: 17600 (2018) and Trucks: 10%
Future ADT: 18952 (In 2032
)