Structure 38000800000000 · Iroquois County, IL

Fai-57 SB over West Second ST

Carries Fai-57 SB over West Second ST, 8.6 Mi S Ashkum Int.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT107 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 6/9Substructure 7/9

107 ft end to end, longest span 39 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.

Built196759 years old
Length107.0 ft32.6 m
Daily traffic9,050counted 2023
Last inspectedJanuary 2024every 24 months

Location

StateIllinois
CountyIroquois
Location8.6 Mi S Ashkum Int
CarriesFai-57 SB
CrossesWest Second ST
Coordinates40.76888, -88.00683

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length107.0 ft (32.6 m)
Max Span39.0 ft (11.9 m)
Deck Width41.7 ft (12.7 m)
Deck Area414.0 sq m
Main Spans3
Year Built1967

Traffic

Avg Daily Traffic9,050 (2023)
Truck Traffic34%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number038000800000000

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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