Bridge Type
Main Span(s): Steel [3] Arch - Thru [12]
Approach Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 1220.3 m = 4003.8 ft
Main Spans: 1 at 277.4 m = 910.1 ft
Approach Spans: 14
Skew: 0
Width, Roadway: 15.5 m = 50.9 ft (3 Lanes) and Out-To-Out: 16.5 m = 54.1 ft for a 15.5 m = 50.9 ft approaching roadway.
Vertical Clearance: 6.1 m = 20.0 ft and Navigational Clearance: 18.6 m = 61.0 ft
Location
Bellefontaine Neighbors [04222]: St. Louis County [189], Missouri [29]
Owned by State Highway Agency [01], DOT District: 5
S 6 T 43 N R 7 E
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 63 metric ton = 69.3 tons (Load Factor(LF) [1])
Inventory: 37.8 metric ton = 41.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
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: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.1 km = 0.1 mi
Traffic
ADT: 28860 (2019) and Trucks: 18%
Future ADT: 36075 (In 2039
)