Is 55 N over Cst Potomac ST

Fair Condition61 years old47,230 vehicles/day

Location

StateMissouri
CountySt. Louis
LocationS 34 T 45 N R 7 E
CarriesIs 55 N
CrossesCst Potomac ST
Coordinates38.58819, -90.21433

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length176.8 ft (53.9 m)
Max Span65.3 ft (19.9 m)
Deck Width56.8 ft (17.3 m)
Deck Area932.5 sq m
Main Spans3
Year Built1965 (reconstructed 1985)

Traffic

Avg Daily Traffic47,230 (2024)
Truck Traffic12%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number881

Nearby Bridges