US 20 over Dd 9 & 13

Good Condition18 years old6,900 vehicles/day

Location

StateIowa
CountyCalhoun
Location3.0 Mi. E Of Jct. Ia 4
CarriesUS 20
CrossesDd 9 & 13
Coordinates42.44954, -94.61032

Condition Ratings

Overall ConditionGood
Channel/Waterway7 (Good)
Culvert7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length24.9 ft (7.6 m)
Max Span12.1 ft (3.7 m)
Deck Area92.7 sq m
Main Spans2
Year Built2008

Traffic

Avg Daily Traffic6,900 (2022)
Truck Traffic32%
Lanes On Bridge4

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000609930

Nearby Bridges

Local over Drainage Ditch 9-13 0.5 mi Fair Local over Lake Creek 0.7 mi Good Local over Dd 9-13 1.2 mi Fair Local over Lake Creek 1.5 mi Fair FM over Dd 9-13 1.6 mi Fair FM over Dd 1.6 mi Poor FM over Dd #65 1.7 mi Fair FM over Dd 9-13 1.8 mi Poor FM over Dd 13 2.5 mi Fair Local over Dd 65 2.7 mi Poor