Structure 57552200000000 · McLean County, IL

Tr 168 A over Kickapoo Creek

Carries Tr 168 A over Kickapoo Creek, 3 Mi Wsw Heyworth.

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
SEMI-TRUCK · 72 FT155 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

155 ft end to end, longest span 43 ft: about 2 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 slab bridge.

Built197650 years old
Length154.9 ft47.2 m
Daily traffic425counted 2024
Last inspectedAugust 2024every 24 months

Location

StateIllinois
CountyMcLean
Location3 Mi Wsw Heyworth
CarriesTr 168 A
CrossesKickapoo Creek
Coordinates40.29690, -89.03513

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length154.9 ft (47.2 m)
Max Span43.0 ft (13.1 m)
Deck Width25.9 ft (7.9 m)
Deck Area372.9 sq m
Main Spans4
Year Built1976

Traffic

Avg Daily Traffic425 (2024)
Truck Traffic52%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number057552200000000

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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