EB US 20 over Buffalo Creek

Fair Condition48 years old3,500 vehicles/day

Location

StateIowa
CountyBuchanan
Location2.3 Mi. E Of Jct. SR W40
CarriesEB US 20
CrossesBuffalo Creek
Coordinates42.46056, -91.70895

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length305.1 ft (93 m)
Max Span82.0 ft (25 m)
Deck Width43.6 ft (13.3 m)
Deck Area1236.9 sq m
Main Spans4
Year Built1978

Traffic

Avg Daily Traffic3,500 (2022)
Truck Traffic30%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000603660

Nearby Bridges

WB US 20 over Buffalo Creek 0.1 mi Fair FM W-45 over US 20 0.1 mi Fair Local over Buffalo Creek 0.3 mi Fair D22 200th ST over Buffalo Creek 0.7 mi Good 220th ST over Drainage Ditch 0.9 mi Poor 228th ST over Small Stream 1.6 mi Good Local RD over Buffalo Creek 1.7 mi Fair Local 240th ST over Buffalo Creek 1.9 mi Fair Local 240th ST over Small Stream 2.1 mi Fair SR W-40 over US 20 2.3 mi Fair