Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 25 m = 82.0 ft
Main Spans: 1 at 24.4 m = 80.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.6 m = 24.9 ft (2 Lanes) and Out-To-Out: 7.8 m = 25.6 ft for a 3.8 m = 12.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Brown County [009], Illinois [17]
Owned by Town or Township Highway Agency [03], DOT District: 6
4.5 MI NW MT STERLIN
Condition
Deck: Poor [4]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design:
Operating: 33.4 metric ton = 36.7 tons (Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading [7])
Inventory: 24.3 metric ton = 26.7 tons (Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading [7])
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 minimum criteria [6]
Waterway: Equal to present minimum criteria [6] 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: 0.3 km = 0.2 mi
Traffic
ADT: 50 (2020) and Trucks: 0%
Future ADT: 50 (In 2032
)