Structure 16046000000000 · Cook County, IL

I-290 Ike(congress over Between Riv & Po

Carries I-290 Ike(congress over Between Riv & Po, 0.5 M E I-90&94.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT209 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

209 ft end to end, longest span 48 ft: about 3 semi-trucks nose to tail. 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.

Built195472 years old
Length209.0 ft63.7 m
Daily traffic76,900counted 2024
Last inspectedOctober 2024every 12 months

Location

StateIllinois
CountyCook
Location0.5 M E I-90&94
CarriesI-290 Ike(congress
CrossesBetween Riv & Po
Coordinates41.87552, -87.63801

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length209.0 ft (63.7 m)
Max Span47.9 ft (14.6 m)
Deck Width94.5 ft (28.8 m)
Deck Area1834.6 sq m
Main Spans7
Year Built1954

Traffic

Avg Daily Traffic76,900 (2024)
Truck Traffic2%
Lanes On Bridge8

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016046000000000

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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