Structure 57403200000000 · McLean County, IL

Fas 1481 Ch 24 over West Fork Sugar CR

Carries Fas 1481 Ch 24 over West Fork Sugar CR, 3 Mi N Stanford.

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT107 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

107 ft end to end, longest span 40 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 slab bridge.

Built200422 years old
Length107.0 ft32.6 m
Daily traffic1,150counted 2024
Last inspectedFebruary 2025every 48 months

Location

StateIllinois
CountyMcLean
Location3 Mi N Stanford
CarriesFas 1481 Ch 24
CrossesWest Fork Sugar CR
Coordinates40.48604, -89.23109

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length107.0 ft (32.6 m)
Max Span40.0 ft (12.2 m)
Deck Width34.1 ft (10.4 m)
Deck Area339.0 sq m
Main Spans3
Year Built2004

Traffic

Avg Daily Traffic1,150 (2024)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number057403200000000

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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