Structure 22993400000000 · DuPage County, IL

I-88 EB over Ill 38 (roosevelt RD

Carries I-88 EB over Ill 38 (roosevelt RD, 1.0 M.n.22nd.st..

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT330 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

330 ft end to end, longest span 83 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.

Built195868 years old
Length330.1 ft100.6 m
Daily traffic60,050counted 2023
Last inspectedJuly 2024every 24 months

Location

StateIllinois
CountyDuPage
Location1.0 M.n.22nd.st.
CarriesI-88 EB
CrossesIll 38 (roosevelt RD
Coordinates41.86166, -87.92537

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length330.1 ft (100.6 m)
Max Span83.0 ft (25.3 m)
Deck Width61.0 ft (18.6 m)
Deck Area1871.2 sq m
Main Spans5
Year Built1958

Traffic

Avg Daily Traffic60,050 (2023)
Truck Traffic8%
Lanes On Bridge3
Lanes Under Bridge6

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number022993400000000

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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