SW Blackhawk Av over Miller Creek

Fair Condition22 years old11 vehicles/day

Location

StateIowa
CountyJohnson
Location078081904
CarriesSW Blackhawk Av
CrossesMiller Creek
Coordinates41.54377, -91.81434

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length65.9 ft (20.1 m)
Max Span63.0 ft (19.2 m)
Deck Width24.0 ft (7.3 m)
Deck Area146.7 sq m
Main Spans1
Year Built2004

Traffic

Avg Daily Traffic11 (2022)
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000000000203761

Nearby Bridges

SW Buchanan AVE over Drainage 0.4 mi Fair FM SW 540th AVE over Deer Creek 0.5 mi Fair FM over Miller Creek 0.7 mi Fair SW 520th ST over Deer Creek 0.9 mi Poor Local over Stream 1.3 mi Fair FM SW Angle AVE over Deer Creek 1.5 mi Good FM SW 500th ST over Deer Creek 1.8 mi Fair Local over Miller Creek 1.8 mi Poor SW 520th ST over Br Deer Creek 1.8 mi Fair Johnson-iowa RD over Deer Creek 2.1 mi Good