US 63 over 12 Mile Creek

Good Condition70 years old3,770 vehicles/day

Location

StateIowa
CountyTama
Location1.1 Mi S Of S Jct SR D65
CarriesUS 63
Crosses12 Mile Creek
Coordinates42.23045, -92.46580

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length183.4 ft (55.9 m)
Max Span69.9 ft (21.3 m)
Deck Width32.5 ft (9.9 m)
Deck Area553.4 sq m
Main Spans3
Year Built1956 (reconstructed 2017)

Traffic

Avg Daily Traffic3,770 (2022)
Truck Traffic16%
Lanes On Bridge2

Inspection & Ownership

Last Inspection224
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000049640

Nearby Bridges

Local over Twelve Mile Creek 0.5 mi Fair Local over Twelve Mile Creek 1.3 mi Fair 130th ST over Twelve Mile Creek 1.4 mi Good Local over Twelve Mile Creek 1.7 mi Good FM over Branch Twelve Mile Creek 2.0 mi Good FM over Wolf Creek 2.1 mi Fair US 63 over Wolf Creek 2.2 mi Good Local over Twelve Mile Creek 2.3 mi Fair FM over Branch Twelve Mile Creek 2.4 mi Poor Mill ST over Wolf Creek 2.4 mi Good