I- 55 SB over Grant Creek

Fair Condition70 years old26,450 vehicles/day

Location

StateIllinois
CountyWill
Location5.6 M S Of US 6
CarriesI- 55 SB
CrossesGrant Creek
Coordinates41.37572, -88.19236

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure8 (Very Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length177.8 ft (54.2 m)
Max Span69.9 ft (21.3 m)
Deck Width42.7 ft (13 m)
Deck Area704.6 sq m
Main Spans3
Year Built1956 (reconstructed 2019)

Traffic

Avg Daily Traffic26,450 (2024)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last Inspection223
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number099000500000000

Nearby Bridges