Birch AVE over Big Sioux River

Fair Condition60 years old450 vehicles/day

Location

StateIowa
CountySioux
Location097481404
CarriesBirch AVE
CrossesBig Sioux River
Coordinates43.22351, -96.49036

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length404.9 ft (123.4 m)
Max Span87.9 ft (26.8 m)
Deck Width29.9 ft (9.1 m)
Deck Area1122.9 sq m
Main Spans5
Year Built1966

Traffic

Avg Daily Traffic450 (2022)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2022
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000313390

Nearby Bridges

FM over No Name Creek 0.5 mi Fair Local over Stream 1.6 mi Good A54b over No Name Creek 1.7 mi Good FM over No Name Creek 2.3 mi Good Local over Sm Stream 2.5 mi Good FM over No Name Creek 2.7 mi Good 484th Avenue over Pattee Creek 3.3 mi Fair US 18 over Drainage Ditch 3.4 mi Fair Local over Small Stream 3.5 mi Good FM over Small Creek 3.5 mi Good