US 20 EB over Little Sioux River

Fair Condition9 years old3,250 vehicles/day

Location

StateIowa
CountyWoodbury
Location0.4 Mi. W Of Jct. Ia 31
CarriesUS 20 EB
CrossesLittle Sioux River
Coordinates42.48231, -95.79427

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length492.8 ft (150.2 m)
Max Span122.0 ft (37.2 m)
Deck Width43.3 ft (13.2 m)
Deck Area1982.6 sq m
Main Spans4
Year Built2017

Traffic

Avg Daily Traffic3,250 (2022)
Truck Traffic26%
Lanes On Bridge2

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000052951

Nearby Bridges

US 20 WB over Little Sioux River 0.1 mi Fair FM over Little Sioux River 0.3 mi Good Local over Pierson Creek 0.7 mi Good Ia 31 over Little Sioux River 0.8 mi Fair FM over Bacon Creek 0.9 mi Fair Local over Stream 1.3 mi Poor Pocahontas AVE over Bacon Creek 1.9 mi Good FM over Bacon Creek 1.9 mi Poor 160th ST over Three Mile Creek 2.2 mi Good FM over Bacon Creek 2.5 mi Poor