Structure 82610600000000 · St. Clair County, IL

Fau 9269 over Richland Creek

Carries Fau 9269 over Richland Creek, At 6th ST.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT48 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 48 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.

Built195076 years old
Length47.6 ft14.5 m
Daily traffic3,550counted 2023
Last inspectedJune 2024every 24 months

Location

StateIllinois
CountySt. Clair
LocationAt 6th ST
CarriesFau 9269
CrossesRichland Creek
Coordinates38.51140, -89.99199

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length47.6 ft (14.5 m)
Max Span24.3 ft (7.4 m)
Deck Area159.5 sq m
Main Spans2
Year Built1950

Traffic

Avg Daily Traffic3,550 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number082610600000000

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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