Is 70 E over Is 170 Rp Is170w To I

Fair Condition47 years old61,156 vehicles/day

Location

StateMissouri
CountySt. Louis
LocationS 656 T 46 N R 6 E
CarriesIs 70 E
CrossesIs 170 Rp Is170w To I
Coordinates38.72837, -90.33134

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length329.1 ft (100.3 m)
Max Span110.9 ft (33.8 m)
Deck Width58.7 ft (17.9 m)
Deck Area1795.4 sq m
Main Spans4
Year Built1979

Traffic

Avg Daily Traffic61,156 (2024)
Truck Traffic18%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number2574

Nearby Bridges