Structure 82016900000000 · St. Clair County, IL

Fai 64 EB over Harding Ditch

Carries Fai 64 EB over Harding Ditch, 1.04 Mi E Of Ill 111.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT111 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

111 ft end to end, longest span 41 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built1968rebuilt 2012
Length111.2 ft33.9 m
Daily traffic38,250counted 2023
Last inspectedFebruary 2023every 24 months

Location

StateIllinois
CountySt. Clair
Location1.04 Mi E Of Ill 111
CarriesFai 64 EB
CrossesHarding Ditch
Coordinates38.61877, -90.07236

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length111.2 ft (33.9 m)
Max Span40.7 ft (12.4 m)
Deck Width137.5 ft (41.9 m)
Deck Area1420.4 sq m
Main Spans3
Year Built1968 (reconstructed 2012)

Traffic

Avg Daily Traffic38,250 (2023)
Truck Traffic14%
Lanes On Bridge8

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number082016900000000

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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