Ia 21 over Millers Creek

Fair Condition69 years old2,600 vehicles/day

Location

StateIowa
CountyBlack Hawk
Location0.7 Mi. N Of S.r. D52
CarriesIa 21
CrossesMillers Creek
Coordinates42.32266, -92.34753

Condition Ratings

Overall ConditionFair
Channel/Waterway7 (Good)
Culvert6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length40.0 ft (12.2 m)
Max Span12.1 ft (3.7 m)
Deck Area170.8 sq m
Main Spans3
Year Built1957

Traffic

Avg Daily Traffic2,600 (2022)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000014960

Nearby Bridges