Structure 8112400000000 · Carroll County, IL

Argo Fay RD over Drainage

Carries Argo Fay RD over Drainage, .06 Mi W Big Cut RD.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT27 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 27 ft across with 2 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.

Built199432 years old
Length27.2 ft8.3 m
Daily traffic1,600counted 2021
Last inspectedDecember 2023every 48 months

Location

StateIllinois
CountyCarroll
Location.06 Mi W Big Cut RD
CarriesArgo Fay RD
CrossesDrainage
Coordinates42.00355, -90.01712

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length27.2 ft (8.3 m)
Max Span13.1 ft (4 m)
Deck Width47.9 ft (14.6 m)
Deck Area121.2 sq m
Main Spans2
Year Built1994

Traffic

Avg Daily Traffic1,600 (2021)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number008112400000000

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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