IH 43 SB over Sth 20

Fair Condition55 years old21,600 vehicles/day

Location

StateWisconsin
CountyWalworth
Location5.3 Mi S Jct Sth 83
CarriesIH 43 SB
CrossesSth 20
Coordinates42.79252, -88.38525

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length210.0 ft (64 m)
Max Span104.7 ft (31.9 m)
Deck Width47.9 ft (14.6 m)
Deck Area934.4 sq m
Main Spans2
Year Built1971

Traffic

Avg Daily Traffic21,600 (2022)
Truck Traffic16%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberB64008900000000

Nearby Bridges

IH 43 NB over Sth 20 0.0 mi Fair IH 43 SB over Honey Creek 0.9 mi Fair IH 43 NB over Honey Creek 0.9 mi Fair Cth G over Honey Creek 1.3 mi Good Sth 20 over Honey Creek 1.6 mi Good IH 43 SB over Sth 120 1.6 mi Fair IH 43 NB over Sth 120 1.7 mi Fair Sth 20 over Spring Creek 2.4 mi Good IH 43 SB over Lrd Town Line RD 2.6 mi Fair IH 43 NB over Lrd Town Line RD 2.8 mi Fair