Sth 21 over Silver Creek

Good Condition29 years old4,000 vehicles/day

Location

StateWisconsin
CountyMonroe
Location0.8m E Jct Cth Q
CarriesSth 21
CrossesSilver Creek
Coordinates43.96719, -90.76556

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length94.2 ft (28.7 m)
Max Span89.9 ft (27.4 m)
Deck Width46.9 ft (14.3 m)
Deck Area410.4 sq m
Main Spans1
Year Built1997

Traffic

Avg Daily Traffic4,000 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberB41020300000000

Nearby Bridges