Is 55 S over Meramec Rvr

Fair Condition62 years old63,036 vehicles/day

Location

StateMissouri
CountySt. Louis
LocationS 403 T 43 N R 6 E
CarriesIs 55 S
CrossesMeramec Rvr
Coordinates38.45289, -90.37675

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1424.9 ft (434.3 m)
Max Span185.0 ft (56.4 m)
Deck Width76.4 ft (23.3 m)
Deck Area10119.2 sq m
Main Spans5
Year Built1964 (reconstructed 1993)

Traffic

Avg Daily Traffic63,036 (2024)
Truck Traffic18%
Lanes On Bridge5

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number441

Nearby Bridges