Structure 72025200000000 · Peoria County, IL

I-474 EB over Il 116

Carries I-474 EB over Il 116, 0.27 Mi N Closen RD.

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT220 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

220 ft end to end, longest span 83 ft: about 3 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.

Built20233 years old
Length219.8 ft67 m
Daily traffic11,400counted 2023
Last inspectedNovember 2023every 24 months

Location

StateIllinois
CountyPeoria
Location0.27 Mi N Closen RD
CarriesI-474 EB
CrossesIl 116
Coordinates40.68836, -89.67572

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length219.8 ft (67 m)
Max Span82.7 ft (25.2 m)
Deck Width44.6 ft (13.6 m)
Deck Area911.2 sq m
Main Spans3
Year Built2023

Traffic

Avg Daily Traffic11,400 (2023)
Truck Traffic15%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number072025200000000

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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