Structure 49070000000000 · Lake County, IL

Il 137 over Bull Creek

Carries Il 137 over Bull Creek, 0.15m S Of Wadsworth.

Overall conditionGood

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

How ratings work
Culvertsets the rating9/9 · Excellent
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT41 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 9/9

A culvert 41 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.

Built20242 years old
Length41.3 ft12.6 m
Daily traffic16,600counted 2023
Last inspectedDecember 2024every 24 months

Location

StateIllinois
CountyLake
Location0.15m S Of Wadsworth
CarriesIl 137
CrossesBull Creek
Coordinates42.42825, -87.82569

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length41.3 ft (12.6 m)
Max Span12.1 ft (3.7 m)
Deck Width167.0 ft (50.9 m)
Deck Area641.3 sq m
Main Spans3
Year Built2024

Traffic

Avg Daily Traffic16,600 (2023)
Truck Traffic3%
Lanes On Bridge4

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number049070000000000

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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