Ia 21 over US 30

Good Condition3 years old1,860 vehicles/day

Location

StateIowa
CountyBenton
LocationIa 21 U.s. 30 Interchange
CarriesIa 21
CrossesUS 30
Coordinates41.96388, -92.29775

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length240.2 ft (73.2 m)
Max Span121.1 ft (36.9 m)
Deck Width63.3 ft (19.3 m)
Deck Area1412.8 sq m
Main Spans2
Year Built2023

Traffic

Avg Daily Traffic1,860 (2022)
Truck Traffic18%
Lanes On Bridge3
Lanes Under Bridge4

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000700500

Nearby Bridges

US 30 WB over Salt Creek 0.8 mi Good US 30 over Salt Creek 0.8 mi Good Local over Small Stream 0.9 mi Poor Local over Br Salt Creek 1.2 mi Fair Local over Salt Creek 1.3 mi Poor Local over Branch Of Salt Creek 1.8 mi Fair Local over Salt Creek 2.1 mi Poor Local over Branch Of Salt Creek 2.4 mi Poor Ia 21 over Branch Salt Creek 2.7 mi Good Local over Stern Creek 2.7 mi Fair