Mo 79 S over Is 70

Fair Condition41 years old17,228 vehicles/day

Location

StateMissouri
CountySt. Charles
LocationS 731 T 47 N R 3 E
CarriesMo 79 S
CrossesIs 70
Coordinates38.80174, -90.65171

Condition Ratings

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

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length272.0 ft (82.9 m)
Max Span112.2 ft (34.2 m)
Deck Width81.4 ft (24.8 m)
Deck Area2055.9 sq m
Main Spans2
Year Built1985

Traffic

Avg Daily Traffic17,228 (2024)
Truck Traffic5%
Lanes On Bridge5
Lanes Under Bridge8

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number3511

Nearby Bridges