I-88 WB over Rock Creek

Fair Condition51 years old6,550 vehicles/day

Location

StateIllinois
CountyWhiteside
Location4.5 Mi. Ne. Erie
CarriesI-88 WB
CrossesRock Creek
Coordinates41.70821, -90.02514

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure8 (Very Good)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length176.5 ft (53.8 m)
Max Span75.1 ft (22.9 m)
Deck Width42.0 ft (12.8 m)
Deck Area688.6 sq m
Main Spans3
Year Built1975

Traffic

Avg Daily Traffic6,550 (2023)
Truck Traffic34%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number098006000000000

Nearby Bridges

I-88 EB over Rock Creek 0.0 mi Fair Hill RD over Rock Creek 0.6 mi Fair I-88 WB over B.n. R.r. Track 1.3 mi Fair I-88 EB over B.n. R.r. Track 1.3 mi Fair Black RD over Drainage Ditch 1.4 mi Good Black RD over Rock Creek 1.4 mi Good Black RD over Stream 1.5 mi Fair I-88 WB over Tr 136 A / Henry RD 1.5 mi Fair I-88 EB over Tr 136 A / Henry RD 1.5 mi Fair Ch 17 Wilmot RD over I-88 1.6 mi Fair