FM 340th ST over Little Sioux River

Poor Condition63 years old2,573 vehicles/day

Location

StateIowa
CountyClay
Location096371103
CarriesFM 340th ST
CrossesLittle Sioux River
Coordinates43.15584, -95.18166

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical7 — Countermeasures installed

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length203.1 ft (61.9 m)
Max Span78.1 ft (23.8 m)
Deck Width29.9 ft (9.1 m)
Deck Area563.3 sq m
Main Spans3
Year Built1963 (reconstructed 1984)

Traffic

Avg Daily Traffic2,573 (2021)
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000116860

Nearby Bridges