L20 Loess Hills over Small Natural Stream

Fair Condition100 years old1,534 vehicles/day

Location

StateIowa
CountyHarrison
Location078440306
CarriesL20 Loess Hills
CrossesSmall Natural Stream
Coordinates41.59529, -95.89615

Condition Ratings

Overall ConditionFair
Channel/Waterway5 (Fair)
Culvert5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length21.0 ft (6.4 m)
Max Span9.8 ft (3 m)
Deck Area66.6 sq m
Main Spans2
Year Built1926

Traffic

Avg Daily Traffic1,534 (2022)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000000000027830

Nearby Bridges

280th ST over Willow River 0.6 mi Good FM 270th ST over Willow Creek 1.6 mi Fair L20 Loess Hills over Small Natural Stream 1.9 mi Fair L20 Loess Hills over Willow Creek 2.0 mi Good 280th Street over Allen Creek 2.1 mi Good NB I-29 over Allen Creek 2.2 mi Fair SB I-29 over Allen Creek 2.2 mi Fair Local RD over I-29 2.4 mi Good F50 270th ST over Allen Creek 2.5 mi Good 260th ST over Willow Creek 2.5 mi Fair