Structure 60200400000000 · Madison County, IL

Fai 70 over Mid Trib Sugar Creek

Carries Fai 70 over Mid Trib Sugar Creek, 0.8 M E Ill 160.

Overall conditionGood

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

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 38 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.

Built196363 years old
Length38.4 ft11.7 m
Daily traffic23,600counted 2023
Last inspectedDecember 2024every 24 months

Location

StateIllinois
CountyMadison
Location0.8 M E Ill 160
CarriesFai 70
CrossesMid Trib Sugar Creek
Coordinates38.78629, -89.65655

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length38.4 ft (11.7 m)
Max Span13.5 ft (4.1 m)
Deck Area313.6 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic23,600 (2023)
Truck Traffic41%
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 Number060200400000000

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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