Ill 251 S B over Rockton Road

Fair Condition59 years old16,600 vehicles/day

Location

StateIllinois
CountyWinnebago
Location2.6 Mi S Ill 75
CarriesIll 251 S B
CrossesRockton Road
Coordinates42.45644, -89.01960

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length191.9 ft (58.5 m)
Max Span58.4 ft (17.8 m)
Deck Width36.1 ft (11 m)
Deck Area643.5 sq m
Main Spans2
Year Built1967

Traffic

Avg Daily Traffic16,600 (2023)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number101003100000000

Nearby Bridges

Ill 251 N B over Rockton Road 0.0 mi Fair Ill 251 N B over Up Rr 0.1 mi Poor Ill 251 S B over Up Rr 0.1 mi Poor Rockton RD over Dry Run Creek 0.5 mi Good Ill 251 N B over Dry Creek 0.7 mi Fair Ill 251 S B over Dry Creek 0.7 mi Fair Il 251 Fr RD over Dry Creek 0.8 mi Good Ch 52(willow Brook over Branch Of Dry Creek 1.1 mi Good Rockton RD over I-90 1.2 mi Fair I-90 over Stream 1.3 mi Fair