Structure 72000900000000 · Peoria County, IL

US 24 & Ill 9 (nb) over Kjry Rr & Old Sbi 9

Carries US 24 & Ill 9 (nb) over Kjry Rr & Old Sbi 9, 1 Mi E Of Mapleton.

Overall conditionPoor

Set by its lowest-rated component: Deck at 3 of 9.

How ratings work
Decksets the rating3/9 · Serious
Superstructure4/9 · Poor
Substructure5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT348 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9 · sets the ratingSuperstructure 4/9Substructure 5/9

348 ft end to end, longest span 92 ft: about 5 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 multi-beam bridge.

Built1955rebuilt 1977
Length348.1 ft106.1 m
Daily traffic11,200counted 2023
Last inspectedMay 2024every 12 months

Location

StateIllinois
CountyPeoria
Location1 Mi E Of Mapleton
CarriesUS 24 & Ill 9 (nb)
CrossesKjry Rr & Old Sbi 9
Coordinates40.56964, -89.71700

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length348.1 ft (106.1 m)
Max Span91.9 ft (28 m)
Deck Width41.7 ft (12.7 m)
Deck Area1347.5 sq m
Main Spans5
Year Built1955 (reconstructed 1977)

Traffic

Avg Daily Traffic11,200 (2023)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number072000900000000

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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