Structure 95004200000000 · Washington County, IL

Fai 64 WB over Kaskaskia R Overflow

Carries Fai 64 WB over Kaskaskia R Overflow, 0.2 Mi E Of Co Line.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT336 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

336 ft end to end, longest span 73 ft: about 5 semi-trucks nose to tail. 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 multi-beam bridge.

Built196957 years old
Length336.0 ft102.4 m
Daily traffic15,500counted 2023
Last inspectedFebruary 2023every 24 months

Location

StateIllinois
CountyWashington
Location0.2 Mi E Of Co Line
CarriesFai 64 WB
CrossesKaskaskia R Overflow
Coordinates38.47650, -89.57954

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length336.0 ft (102.4 m)
Max Span73.2 ft (22.3 m)
Deck Width42.7 ft (13 m)
Deck Area1331.2 sq m
Main Spans5
Year Built1969

Traffic

Avg Daily Traffic15,500 (2023)
Truck Traffic30%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number095004200000000

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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