340th over Shell Rock River

Good Condition16 years old82 vehicles/day

Location

StateIowa
CountyCerro Gordo
Location000000000
Carries340th
CrossesShell Rock River
Coordinates43.25514, -93.12185

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length167.0 ft (50.9 m)
Max Span60.7 ft (18.5 m)
Deck Width27.2 ft (8.3 m)
Deck Area422.5 sq m
Main Spans3
Year Built2010

Traffic

Avg Daily Traffic82 (2022)
Lanes On Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000106471

Nearby Bridges