Is 70 E over Is 270

Fair Condition69 years old140,710 vehicles/day

Location

StateMissouri
CountySt. Louis
LocationS 15 T 46 N R 5 E
CarriesIs 70 E
CrossesIs 270
Coordinates38.74854, -90.43958

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length255.9 ft (78 m)
Max Span77.1 ft (23.5 m)
Deck Width116.8 ft (35.6 m)
Deck Area2776.8 sq m
Main Spans4
Year Built1957 (reconstructed 1978)

Traffic

Avg Daily Traffic140,710 (2024)
Truck Traffic12%
Lanes On Bridge6
Lanes Under Bridge7

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number754

Nearby Bridges