Structure 16013700000000 · Cook County, IL

I- 90 94 Dan Ryan over Maxwell To 15th ST

Carries I- 90 94 Dan Ryan over Maxwell To 15th ST, 0.2 M S Roosevelt RD.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,214 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

1,214 ft end to end, longest span 87 ft: about 3.4 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built1962rebuilt 1989
Length1214.2 ft370.1 m
Daily traffic240,200counted 2024
Last inspectedJuly 2024every 24 months

Location

StateIllinois
CountyCook
Location0.2 M S Roosevelt RD
CarriesI- 90 94 Dan Ryan
CrossesMaxwell To 15th ST
Coordinates41.86396, -87.64458

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1214.2 ft (370.1 m)
Max Span86.9 ft (26.5 m)
Deck Width163.7 ft (49.9 m)
Deck Area18468.0 sq m
Main Spans15
Year Built1962 (reconstructed 1989)

Traffic

Avg Daily Traffic240,200 (2024)
Truck Traffic7%
Lanes On Bridge11
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016013700000000

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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