Structure 72201200000000 · Peoria County, IL

Ill 6 over Stream

Carries Ill 6 over Stream, 0.5 Mi W Of Ill 40.

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
21 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 4/9

A culvert 21 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.

Built198244 years old
Length21.0 ft6.4 m
Daily traffic15,500counted 2023
Last inspectedNovember 2024every 12 months

Location

StateIllinois
CountyPeoria
Location0.5 Mi W Of Ill 40
CarriesIll 6
CrossesStream
Coordinates40.80321, -89.62215

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length21.0 ft (6.4 m)
Max Span8.9 ft (2.7 m)
Deck Area81.9 sq m
Main Spans2
Year Built1982

Traffic

Avg Daily Traffic15,500 (2023)
Truck Traffic7%
Lanes On Bridge4

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number072201200000000

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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