Structure 90323300000000 · Tazewell County, IL

Lagoon RD - Tr 237 over Sugar Creek

Carries Lagoon RD - Tr 237 over Sugar Creek, E.ctr-27-t23nr2w.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT118 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

118 ft end to end, longest span 44 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.

Built200323 years old
Length118.4 ft36.1 m
Daily traffic75counted 2023
Last inspectedJanuary 2025every 48 months

Location

StateIllinois
CountyTazewell
LocationE.ctr-27-t23nr2w
CarriesLagoon RD - Tr 237
CrossesSugar Creek
Coordinates40.41959, -89.30989

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length118.4 ft (36.1 m)
Max Span44.0 ft (13.4 m)
Deck Width26.9 ft (8.2 m)
Deck Area296.0 sq m
Main Spans3
Year Built2003

Traffic

Avg Daily Traffic75 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number090323300000000

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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