320th over Little Cedar River

Poor Condition95 years old226 vehicles/day

Location

StateIowa
CountyMitchell
Location097161303
Carries320th
CrossesLittle Cedar River
Coordinates43.22679, -92.67761

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure4 (Poor)
Substructure4 (Poor)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length169.0 ft (51.5 m)
Max Span42.0 ft (12.8 m)
Deck Width23.3 ft (7.1 m)
Deck Area365.6 sq m
Main Spans4
Year Built1931

Traffic

Avg Daily Traffic226 (2022)
Lanes On Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000000000247430

Nearby Bridges

320th over Fish Creek 0.3 mi Poor 330th over Fish Creek 1.1 mi Good FM over Slough Creek 1.2 mi Fair 340th over Creek 2.0 mi Fair B23 110th ST over Little Cedar River 2.0 mi Good 110th ST over Little Cedar River 2.0 mi Fair Underwood AVE over Creek 2.6 mi Fair 340th over Little Cedar River 2.9 mi Good FM over Uphams Slough Creek 2.9 mi Good US 218 over Slough Creek 3.1 mi Fair