Structure 16660600000000 · Cook County, IL

Mdwy Upper Lev RD over Arrival Exit Road

Carries Mdwy Upper Lev RD over Arrival Exit Road, Ele Ramp To NB Cicer.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT462 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

462 ft end to end, longest span 93 ft: about 6 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.

Built199828 years old
Length461.9 ft140.8 m
Daily traffic4,450counted 2022
Last inspectedMay 2023every 48 months

Location

StateIllinois
CountyCook
LocationEle Ramp To NB Cicer
CarriesMdwy Upper Lev RD
CrossesArrival Exit Road
Coordinates41.78953, -87.74104

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length461.9 ft (140.8 m)
Max Span93.2 ft (28.4 m)
Deck Width27.2 ft (8.3 m)
Deck Area1168.6 sq m
Main Spans7
Year Built1998

Traffic

Avg Daily Traffic4,450 (2022)
Truck Traffic12%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016660600000000

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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