Structure 57630600000000 · McLean County, IL

Marion & Rosney over Cntryclb Br Sugar CR

Carries Marion & Rosney over Cntryclb Br Sugar CR, 0.5 Mi NE 9& 150.

Overall conditionPoor

Set by its lowest-rated component: Culvert at 4 of 9.

How ratings work
Culvertsets the rating4/9 · Poor
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 4/9

A culvert 22 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built194680 years old
Length21.7 ft6.6 m
Daily traffic125counted 2024
Last inspectedMay 2023every 24 months

Location

StateIllinois
CountyMcLean
Location0.5 Mi NE 9& 150
CarriesMarion & Rosney
CrossesCntryclb Br Sugar CR
Coordinates40.49090, -88.97910

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length21.7 ft (6.6 m)
Max Span10.5 ft (3.2 m)
Deck Area52.1 sq m
Main Spans2
Year Built1946

Traffic

Avg Daily Traffic125 (2024)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number057630600000000

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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