Structure 16322900000000 · Cook County, IL

Hintz Road over Wheeling Drn Ditch

Carries Hintz Road over Wheeling Drn Ditch, 0.1m E Wolf Road.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT129 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 8/9

129 ft end to end, longest span 47 ft. 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.

Built199432 years old
Length129.3 ft39.4 m
Daily traffic8,850counted 2022
Last inspectedMay 2023every 24 months

Location

StateIllinois
CountyCook
Location0.1m E Wolf Road
CarriesHintz Road
CrossesWheeling Drn Ditch
Coordinates42.12508, -87.90751

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length129.3 ft (39.4 m)
Max Span47.2 ft (14.4 m)
Deck Width71.9 ft (21.9 m)
Deck Area862.9 sq m
Main Spans3
Year Built1994

Traffic

Avg Daily Traffic8,850 (2022)
Truck Traffic8%
Lanes On Bridge4

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number016322900000000

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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