Ia 21 over Stream

Fair Condition67 years old2,600 vehicles/day

Location

StateIowa
CountyBlack Hawk
Location0.4 Mi. S Of Jct. SR D52
CarriesIa 21
CrossesStream
Coordinates42.30584, -92.34763

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length21.0 ft (6.4 m)
Max Span9.8 ft (3 m)
Deck Area89.6 sq m
Main Spans2
Year Built1959

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 Number000000000014950

Nearby Bridges

E Tama RD over Trib To Miller Creek 0.5 mi Fair Kimball AVE over Trib To Miller Creek 0.6 mi Good Ia 21 over Millers Creek 1.2 mi Fair Hammond AVE over Miller Creek 1.2 mi Good E Tama RD over Trib To Miller Creek 1.4 mi Fair V 27 Kimball AVE over Miller Creek 1.4 mi Good Hess RD over Trib To Miller Creek 1.5 mi Good Ansborough AVE over Trib To Miller Creek 1.6 mi Fair W Reinbeck RD over Miller Creek 1.6 mi Good E Reinbeck RD over Miller Creek 1.8 mi Fair