Structure 45302500000000 · Kane County, IL

Fletcher Drive over Tyler Creek

Carries Fletcher Drive over Tyler Creek, 0.03 Mi E Randall RD.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
Channelnot part of overall3/9 · Serious
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT48 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 6/9

48 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 tee-beam bridge.

Built195868 years old
Length47.6 ft14.5 m
Daily traffic500counted 2001
Last inspectedApril 2023every 24 months

Location

StateIllinois
CountyKane
Location0.03 Mi E Randall RD
CarriesFletcher Drive
CrossesTyler Creek
Coordinates42.05571, -88.33982

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length47.6 ft (14.5 m)
Max Span45.9 ft (14 m)
Deck Width36.4 ft (11.1 m)
Deck Area160.9 sq m
Main Spans1
Year Built1958

Traffic

Avg Daily Traffic500 (2001)
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number045302500000000

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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