278th ST over Rock Creek

Good Condition11 years old26 vehicles/day

Location

StateIowa
CountyClinton
Location081e13506
Carries278th ST
CrossesRock Creek
Coordinates41.77903, -90.81170

Condition Ratings

Overall ConditionGood
Deck9 (Excellent)
Superstructure9 (Excellent)
Substructure9 (Excellent)
Channel/Waterway9 (Excellent)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length80.1 ft (24.4 m)
Max Span38.1 ft (11.6 m)
Deck Width30.8 ft (9.4 m)
Deck Area229.4 sq m
Main Spans1
Year Built2015

Traffic

Avg Daily Traffic26 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000121932

Nearby Bridges

130th AVE over West Rock Creek 0.9 mi Good 145th AVE over Creek 0.9 mi Good Big Rock RD over Creek 1.0 mi Poor 57th AVE over Wapsipinicon River 1.7 mi Fair 320th ST over Creek 1.9 mi Good 40th AVE over Creek 2.2 mi Poor 280th Street over Creek 2.3 mi Good 280th ST over Creek 2.3 mi Good 270th Street over Small Stream 2.4 mi Good 158th AVE over Creek 2.6 mi Good