Structure 101996500000000 · Winnebago County, IL

Mccurry RD over I-90 (n & W)

Carries Mccurry RD over I-90 (n & W), 1 Mi E Of Roscoe.

Overall conditionGood

Set by its lowest-rated component: Superstructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT284 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 8/9

284 ft end to end, longest span 145 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.

Built200620 years old
Length284.1 ft86.6 m
Daily traffic3,900counted 2022
Last inspectedJune 2023every 24 months

Location

StateIllinois
CountyWinnebago
Location1 Mi E Of Roscoe
CarriesMccurry RD
CrossesI-90 (n & W)
Coordinates42.44242, -88.99170

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length284.1 ft (86.6 m)
Max Span145.0 ft (44.2 m)
Deck Width43.3 ft (13.2 m)
Deck Area1143.1 sq m
Main Spans2
Year Built2006

Traffic

Avg Daily Traffic3,900 (2022)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number101996500000000

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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