Ch43 (millstream R over Kishwaukee River

Poor Condition62 years old1,700 vehicles/day

Location

StateIllinois
CountyMcHenry
Location0.5 Mi. N. Ill. 176
CarriesCh43 (millstream R
CrossesKishwaukee River
Coordinates42.26382, -88.55981

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure4 (Poor)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length149.0 ft (45.4 m)
Max Span48.9 ft (14.9 m)
Deck Width30.5 ft (9.3 m)
Deck Area422.2 sq m
Main Spans3
Year Built1964

Traffic

Avg Daily Traffic1,700 (2021)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number056302200000000

Nearby Bridges