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:
Bridge Dimensions
Length: 353.4 m = 1159.5 ft
Main Spans: 3 at 134.1 m = 440.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 11 m = 36.1 ft (2 Lanes) and Out-To-Out: 15.2 m = 49.9 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 19.2 m = 63.0 ft
Location
Unknown [04245]: La Salle County [099], Illinois [17]
Owned by State Highway Agency [01], DOT District: 3
2.2 MI S OF US 6
Condition
Deck: Excellent [9]
Superstructure: Excellent [9]
Substructure: Good [7]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 60.9 metric ton = 67.0 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
Inventory: 47 metric ton = 51.7 tons (Load and Resistance Factor Rating (LRFR) rating reported by rating factor (RF) method using HL-93 loadings [8])
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 minimum criteria [6]
Waterway: Equal to present desirable criteria [8] 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:
Bridge Detour: 1.3 km = 0.8 mi
Traffic
ADT: 2350 (2019) and Trucks: 14%
Future ADT: 2450 (In 2038
)