Benton ST over Iowa River

Fair Condition36 years old14,383 vehicles/day

Location

StateIowa
CountyJohnson
Location079061500
CarriesBenton ST
CrossesIowa River
Coordinates41.65065, -91.53893

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length479.0 ft (146 m)
Max Span120.1 ft (36.6 m)
Deck Width76.8 ft (23.4 m)
Deck Area3416.4 sq m
Main Spans5
Year Built1990

Traffic

Avg Daily Traffic14,383 (2022)
Truck Traffic1%
Lanes On Bridge4

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000006251

Nearby Bridges