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Nearby Bridges in NBI 2021: 2


MADISON ST W over IS 70: RV 70 (Route: 0)
Num:118x
Open: no restriction [A]
Built: 1958, Reconstructed: 2009
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete continuous [6] Box beam or girders - Multiple [05]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 53.9 m = 176.8 ft
Main Spans: 3 at 19.1 m = 62.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 13.5 m = 44.3 ft (2 Lanes) and Out-To-Out: 13.5 m = 44.3 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
St. Louis [65000]: St. Louis city [510], Missouri [29]
Owned by State Highway Agency [01], DOT District: 5
S 11 T 45 N R 7 E
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 77.4 metric ton = 85.1 tons (Load Factor(LF) [1])
Inventory: 43.2 metric ton = 47.5 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 1240 (2019) and Trucks: 11%
Future ADT: 1860 (In 2039 )
IS 70 E over MISSISSIPPI RVR: CST BRO (Route: 70)
Num:33066x
Open: no restriction [A]
Built: 2010, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Steel continuous [4] Stayed girder [14]
Approach Span(s): Prestressed concrete [5] Tee beam [04]
Deck: Concrete Precast Panels [2] with Wearing Surface: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 1969.8 m = 6462.9 ft
Main Spans: 3 at 457.2 m = 1500.1 ft
Approach Spans: 29
Skew: 9
Width, Roadway: 24.7 m = 81.0 ft (4 Lanes) and Out-To-Out: 28.7 m = 94.2 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 5.49 m = 18.0 ft and Navigational Clearance: 18.4 m = 60.4 ft
Location
St. Louis [65000]: St. Louis city [510], Missouri [29]
Owned by State Highway Agency [01], DOT District: 5
S 14 T 45 N R 7 E
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Very Good [8]
Loading
Design:
Operating: 45 metric ton = 49.5 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 35.1 metric ton = 38.6 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
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: March 2020 [0320] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 32622 (2020) and Trucks: 18%
Future ADT: 40777 (In 2040 )

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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