I- 57 SB over Cal Sag Channel

Fair Condition60 years old54,850 vehicles/day

Location

StateIllinois
CountyCook
Location0.5 M S 127th
CarriesI- 57 SB
CrossesCal Sag Channel
Coordinates41.65476, -87.66157

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length491.8 ft (149.9 m)
Max Span267.7 ft (81.6 m)
Deck Width57.4 ft (17.5 m)
Deck Area2623.2 sq m
Main Spans3
Year Built1966 (reconstructed 1989)

Traffic

Avg Daily Traffic54,850 (2024)
Truck Traffic6%
Lanes On Bridge3

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number016006400000000

Nearby Bridges

I- 57 NB over Cal Sag Channel 0.0 mi Fair Ashland AVE over Cal Sag Channel 0.1 mi Fair Ashland AVE over Little Cal River 0.2 mi Fair I- 57 NB over Vermont ST 0.2 mi Fair I- 57 SB over Vermont ST 0.2 mi Fair I- 57 SB over Little Cal Riv Broad 0.4 mi Poor I- 57 NB over Little Cal Riv Broad 0.4 mi Poor Division ST over Cal Sag Channel 0.5 mi Good 127th ST over I- 57 0.6 mi Poor 125th ST over I- 57 0.8 mi Fair