Ia 471 over Drainage Ditch

Fair Condition93 years old1,320 vehicles/day

Location

StateIowa
CountySac
Location0.2 Mi. N Of SR D-36
CarriesIa 471
CrossesDrainage Ditch
Coordinates42.42492, -95.14793

Condition Ratings

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

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length22.0 ft (6.7 m)
Max Span9.8 ft (3 m)
Deck Area77.7 sq m
Main Spans2
Year Built1933 (reconstructed 1969)

Traffic

Avg Daily Traffic1,320 (2022)
Truck Traffic21%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000000000046560

Nearby Bridges

FM over Boyer River 0.4 mi Fair Local over Boyer River 0.8 mi Good Local over Stream 1.0 mi Fair Local over Stream 1.1 mi Poor Local over Boyer River 1.3 mi Good FM over Boyer River 1.8 mi Fair D 36 (255th St) over Drainage Ditch 2.2 mi Fair Local over Indian Creek 2.4 mi Good FM over Small Creek 2.6 mi Fair FM over Boyer River 2.6 mi Fair