Structure 53553400000000 · Livingston County, IL

Tr-233 over Drainage Ditch

Carries Tr-233 over Drainage Ditch, 244e 700n.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
25 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 25 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built20179 years old
Length24.6 ft7.5 m
Daily traffic50counted 2023
Last inspectedSeptember 2024every 48 months

Location

StateIllinois
CountyLivingston
Location244e 700n
CarriesTr-233
CrossesDrainage Ditch
Coordinates40.72989, -88.49736

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length24.6 ft (7.5 m)
Max Span12.8 ft (3.9 m)
Deck Area45.8 sq m
Main Spans2
Year Built2017

Traffic

Avg Daily Traffic50 (2023)
Truck Traffic52%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number053553400000000

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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