NB Ia 27 over 18th ST

Good Condition32 years old7,550 vehicles/day

Location

StateIowa
CountyBlack Hawk
Location1.6 Mi. S Of US 218
CarriesNB Ia 27
Crosses18th ST
Coordinates42.52151, -92.44194

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length214.9 ft (65.5 m)
Max Span106.0 ft (32.3 m)
Deck Width44.0 ft (13.4 m)
Deck Area877.7 sq m
Main Spans3
Year Built1994

Traffic

Avg Daily Traffic7,550 (2022)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000601490

Nearby Bridges

SB Ia 27 over 18th ST 0.0 mi Good E 18th ST over Dry Run Creek 0.1 mi Fair Ia 27/58 over Dry Run Creek 0.2 mi Good State ST over Drainage 0.2 mi Fair NB Ia 27 over Waterloo RD 0.2 mi Good Main ST over Univ Br Dry Run Creek 0.2 mi Fair SB Ia 27 over Waterloo RD 0.2 mi Good Waterloo RD over Dry Run Creek 0.3 mi Fair NB Ia 27 over Cedar River & Ia North R 0.3 mi Good NB Ia 27 Ramp over Dry Run Creek Bike Path 0.3 mi Good