Structure 72017400000000 · Peoria County, IL

Eb74 To Il 40 Nbsb over I-74 Rpf-1 Rp F-6

Carries Eb74 To Il 40 Nbsb over I-74 Rpf-1 Rp F-6, 1.25 Mi W Illinois R.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT310 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

310 ft end to end, longest span 123 ft: about 4 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.

Built200521 years old
Length310.4 ft94.6 m
Daily traffic2,450counted 2022
Last inspectedApril 2024every 24 months

Location

StateIllinois
CountyPeoria
Location1.25 Mi W Illinois R
CarriesEb74 To Il 40 Nbsb
CrossesI-74 Rpf-1 Rp F-6
Coordinates40.70452, -89.59640

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length310.4 ft (94.6 m)
Max Span123.0 ft (37.5 m)
Deck Width38.1 ft (11.6 m)
Deck Area1097.4 sq m
Main Spans3
Year Built2005

Traffic

Avg Daily Traffic2,450 (2022)
Truck Traffic6%
Lanes On Bridge1
Lanes Under Bridge6

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number072017400000000

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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