420th Ave. over Creek

Fair Condition35 years old91 vehicles/day

Location

StateIowa
CountyClinton
Location082e63302
Carries420th Ave.
CrossesCreek
Coordinates41.87264, -90.27703

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length42.0 ft (12.8 m)
Max Span41.0 ft (12.5 m)
Deck Width24.6 ft (7.5 m)
Deck Area96 sq m
Main Spans1
Year Built1991

Traffic

Avg Daily Traffic91 (2022)
Lanes On Bridge2

Inspection & Ownership

Last Inspection224
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000124421

Nearby Bridges

210th St. over Stream 0.1 mi Good 210th St. over Stream 0.8 mi Good FM over Harts Mill Creek 1.0 mi Good 410th Ave. over Harts Mill Creek 1.0 mi Good 220th Street over Creek 1.0 mi Good 425th AVE over Creek 1.3 mi Good Elvira RD over Mill Creek 1.8 mi Poor Second AVE RD over Little Mill Creek 2.0 mi Poor Ia 136 over Mill Creek 2.0 mi Fair 195th ST over Mill Creek 2.4 mi Good