Structure 82014600000000 · St. Clair County, IL

Piggotav To EB Cd" over Abandoned Southern Rr 8t

Carries Piggotav To EB Cd" over Abandoned Southern Rr 8t, Pier A35 To Abut T6.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT568 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

568 ft end to end, longest span 103 ft: about 1.6 football fields. Lengths and the semi-truck 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 girder bridge.

Built1969rebuilt 2008
Length567.9 ft173.1 m
Daily traffic425counted 2024
Last inspectedJanuary 2023every 24 months

Location

StateIllinois
CountySt. Clair
LocationPier A35 To Abut T6
CarriesPiggotav To EB Cd"
CrossesAbandoned Southern Rr 8t
Coordinates38.61601, -90.16500

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length567.9 ft (173.1 m)
Max Span103.0 ft (31.4 m)
Deck Width28.2 ft (8.6 m)
Deck Area1488.7 sq m
Main Spans6
Year Built1969 (reconstructed 2008)

Traffic

Avg Daily Traffic425 (2024)
Truck Traffic13%
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number082014600000000

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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