Structure 10400400000000 · Champaign County, IL

Tr 89 over Flatville Drain Dit

Carries Tr 89 over Flatville Drain Dit, 1 Mi N Flatville.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructure7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 4/9 · sets the ratingSubstructure 7/9

45 ft end to end. 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 box-beam bridge.

Built197551 years old
Length45.3 ft13.8 m
Daily traffic25counted 2021
Last inspectedJanuary 2024every 24 months

Location

StateIllinois
CountyChampaign
Location1 Mi N Flatville
CarriesTr 89
CrossesFlatville Drain Dit
Coordinates40.25426, -88.06094

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length45.3 ft (13.8 m)
Max Span42.7 ft (13 m)
Deck Width24.3 ft (7.4 m)
Deck Area102.1 sq m
Main Spans1
Year Built1975

Traffic

Avg Daily Traffic25 (2021)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number010400400000000

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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