Structure 34450400000000 · Hancock County, IL

Tr 266 over La Moine River

Carries Tr 266 over La Moine River, 2.0 S Disco.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT53 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 5/9

53 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 bridge of this kind.

Built1915111 years old
Length53.1 ft16.2 m
Daily traffic100counted 2023
Last inspectedDecember 2024every 24 months

Location

StateIllinois
CountyHancock
Location2.0 S Disco
CarriesTr 266
CrossesLa Moine River
Coordinates40.58927, -91.02230

Physical Characteristics

MaterialConcrete
DesignOther
Total Length53.1 ft (16.2 m)
Max Span50.9 ft (15.5 m)
Deck Width20.3 ft (6.2 m)
Deck Area100.4 sq m
Main Spans1
Year Built1915

Traffic

Avg Daily Traffic100 (2023)
Lanes On Bridge1

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number034450400000000

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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