Structure 16302300000000 · Cook County, IL

Central RD over Land And Salt Creek

Carries Central RD over Land And Salt Creek, 0.56mi W Roselle RD.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT831 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 8/9

831 ft end to end, longest span 23 ft: about 2.3 football fields. 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 slab bridge.

Built20188 years old
Length831.0 ft253.3 m
Daily traffic6,250counted 2022
Last inspectedSeptember 2023every 24 months

Location

StateIllinois
CountyCook
Location0.56mi W Roselle RD
CarriesCentral RD
CrossesLand And Salt Creek
Coordinates42.06706, -88.08960

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length831.0 ft (253.3 m)
Max Span23.0 ft (7 m)
Deck Width57.1 ft (17.4 m)
Deck Area4407.4 sq m
Main Spans36
Year Built2018

Traffic

Avg Daily Traffic6,250 (2022)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016302300000000

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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