US 30 Spur S B over I-88

Fair Condition54 years old4,100 vehicles/day

Location

StateIllinois
CountyWhiteside
Location3.5 Mi W Rock Falls
CarriesUS 30 Spur S B
CrossesI-88
Coordinates41.75999, -89.78356

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length262.5 ft (80 m)
Max Span106.0 ft (32.3 m)
Deck Width27.9 ft (8.5 m)
Deck Area680 sq m
Main Spans2
Year Built1972

Traffic

Avg Daily Traffic4,100 (2021)
Truck Traffic35%
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number098007700000000

Nearby Bridges

US 30 Spur N B over I-88 0.0 mi Fair I-88 WB over Elkhorn Creek 0.0 mi Fair I-88 EB over Elkhorn Creek 0.0 mi Fair I-88 Ramp WB over Elkhorn Creek 0.1 mi Fair I-88 WB over Moline RD 0.3 mi Fair I-88 EB over Moline RD 0.3 mi Fair US 30 Spur S B over Elkhorn Creek 0.5 mi Fair US 30 Spur N B over Elkhorn Creek 0.5 mi Fair I-88 EB over Rock River 0.6 mi Fair I-88 WB over Rock River 0.6 mi Fair