Structure 16113300000000 · Cook County, IL

I-290 EB (sb) over Rr - Up (south)

Carries I-290 EB (sb) over Rr - Up (south), 0.6 M S Il 64.

Overall conditionPoor

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT352 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 4/9 · sets the ratingSubstructure 6/9

352 ft end to end, longest span 93 ft: about 5 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.

Built1958rebuilt 1985
Length352.0 ft107.3 m
Daily traffic61,950counted 2024
Last inspectedAugust 2024every 12 months

Location

StateIllinois
CountyCook
Location0.6 M S Il 64
CarriesI-290 EB (sb)
CrossesRr - Up (south)
Coordinates41.89726, -87.92058

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length352.0 ft (107.3 m)
Max Span92.8 ft (28.3 m)
Deck Width36.1 ft (11 m)
Deck Area1180.3 sq m
Main Spans5
Year Built1958 (reconstructed 1985)

Traffic

Avg Daily Traffic61,950 (2024)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016113300000000

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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