320th AVE over Small

Fair Condition48 years old350 vehicles/day

Location

StateIowa
CountyClinton
Location083e42604
Carries320th AVE
CrossesSmall
Coordinates41.97024, -90.46715

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length41.0 ft (12.5 m)
Max Span40.0 ft (12.2 m)
Deck Width24.0 ft (7.3 m)
Deck Area91.2 sq m
Main Spans1
Year Built1978

Traffic

Avg Daily Traffic350 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000125331

Nearby Bridges

Broadway ST over Deep Creek 0.6 mi Good Ia 136 over Deep Creek 0.7 mi Fair Ia 136 over Deep Creek 0.8 mi Fair 160th ST over Williams Creek 2.6 mi Good 302nd Avenue over Small Stream 2.6 mi Good 335th AVE over Baird Creek 2.6 mi Good 135th St. over Deep CR 2.8 mi Fair 160th ST over Stream 3.0 mi Good 290th Ave. over Small Stream 3.2 mi Good 290th AVE over Deep Creek 3.3 mi Good