Structure 22990300000000 · DuPage County, IL

Highland AVE over I-88 E-w Toll Rd.

Carries Highland AVE over I-88 E-w Toll Rd., 02 M So Of Ill 56.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT231 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

231 ft end to end, longest span 69 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.

Built195868 years old
Length231.0 ft70.4 m
Last inspectedSeptember 2024every 24 months

Location

StateIllinois
CountyDuPage
Location02 M So Of Ill 56
CarriesHighland AVE
CrossesI-88 E-w Toll Rd.
Coordinates41.83338, -88.01104

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length231.0 ft (70.4 m)
Max Span68.9 ft (21 m)
Deck Width67.9 ft (20.7 m)
Deck Area1457.3 sq m
Main Spans4
Year Built1958

Traffic

Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number022990300000000

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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