Structure 45203300000000 · Kane County, IL

Il 25 EB Stearns over E Br Brewster Creek

Carries Il 25 EB Stearns over E Br Brewster Creek, 0.3 M E Gilbert ST.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT70 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

70 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 multi-beam bridge.

Built201412 years old
Length69.6 ft21.2 m
Daily traffic5,350counted 2023
Last inspectedAugust 2021every 48 months

Location

StateIllinois
CountyKane
Location0.3 M E Gilbert ST
CarriesIl 25 EB Stearns
CrossesE Br Brewster Creek
Coordinates41.97811, -88.27214

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length69.6 ft (21.2 m)
Max Span66.9 ft (20.4 m)
Deck Width31.8 ft (9.7 m)
Deck Area205.6 sq m
Main Spans1
Year Built2014

Traffic

Avg Daily Traffic5,350 (2023)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number045203300000000

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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