SB I-35 over 310th Street

Fair Condition56 years old7,250 vehicles/day

Location

StateIowa
CountyDecatur
Location2.5 Mi. S Of US 69
CarriesSB I-35
Crosses310th Street
Coordinates40.59478, -93.91737

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length141.1 ft (43 m)
Max Span52.2 ft (15.9 m)
Deck Width43.3 ft (13.2 m)
Deck Area567.6 sq m
Main Spans3
Year Built1970

Traffic

Avg Daily Traffic7,250 (2023)
Truck Traffic39%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000022840

Nearby Bridges

NB I-35 over 310th ST 0.1 mi Fair FM over Seven Mile Creek 0.2 mi Poor NB I-35 over Stream 0.3 mi Fair SB I-35 over Stream 0.4 mi Good NB I-35 over Stream 0.5 mi Fair FM over Seven Mile Creek 0.6 mi Poor Local over Seven Mile Creek 1.2 mi Poor Local over Seven Mile Creek 1.4 mi Poor SB I-35 over 324th Street 1.7 mi Fair NB I-35 over 324th Street 1.7 mi Fair