Structure 57632700000000 · McLean County, IL

Hamilton RD Fau 63 over Little Kickapoo CR

Carries Hamilton RD Fau 63 over Little Kickapoo CR, 0.6 Mi SE 150 & 55.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT147 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

147 ft end to end, longest span 35 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.

Built199333 years old
Length147.3 ft44.9 m
Daily traffic1,900counted 2024
Last inspectedJanuary 2023every 48 months

Location

StateIllinois
CountyMcLean
Location0.6 Mi SE 150 & 55
CarriesHamilton RD Fau 63
CrossesLittle Kickapoo CR
Coordinates40.45251, -88.94864

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length147.3 ft (44.9 m)
Max Span35.4 ft (10.8 m)
Deck Width82.3 ft (25.1 m)
Deck Area1127.0 sq m
Main Spans5
Year Built1993

Traffic

Avg Daily Traffic1,900 (2024)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2023
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number057632700000000

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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