20th ST over Iais Rr

Good Condition8 years old200 vehicles/day

Location

StateIowa
CountyPoweshiek
Location080161702
Carries20th ST
CrossesIais Rr
Coordinates41.73674, -92.74657

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length160.1 ft (48.8 m)
Max Span79.1 ft (24.1 m)
Deck Width24.9 ft (7.6 m)
Deck Area370.9 sq m
Main Spans3
Year Built2018

Traffic

Avg Daily Traffic200 (2022)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2022
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000293841

Nearby Bridges

Local over Stream 1.1 mi Good East 156th ST N over Small Stream 1.2 mi Good Local over Stream 1.4 mi Good East 156th ST over Small Stream 1.5 mi Fair 400th AVE over Stream 1.5 mi Good FM over Sugar Creek 1.8 mi Fair T38 over Sugar Creek 2.0 mi Good U.s. 6 over Sugar Creek 2.3 mi Good FM over Sugar Creek 2.4 mi Fair Local over Small Stream 2.7 mi Poor