Structure 45201200000000 · Kane County, IL

Il 64 over Virgil Ditch #3

Carries Il 64 over Virgil Ditch #3, 4.2 M W Of Il 47.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT33 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 33 ft across with 3 openings. Lengths and the car 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, so those are drawn as typical for a culvert.

Built1993rebuilt 1994
Length33.1 ft10.1 m
Daily traffic6,850counted 2023
Last inspectedJuly 2024every 48 months

Location

StateIllinois
CountyKane
Location4.2 M W Of Il 47
CarriesIl 64
CrossesVirgil Ditch #3
Coordinates41.95798, -88.55648

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length33.1 ft (10.1 m)
Max Span10.8 ft (3.3 m)
Deck Area123.2 sq m
Main Spans3
Year Built1993 (reconstructed 1994)

Traffic

Avg Daily Traffic6,850 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number045201200000000

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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