Structure 6324600000000 · Bureau County, IL

Fas 188a/ch 8 over Bnsf Railroad

Carries Fas 188a/ch 8 over Bnsf Railroad, West Edge Wyanet.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT186 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

186 ft end to end, longest span 72 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.

Built199927 years old
Length186.4 ft56.8 m
Daily traffic1,000counted 2020
Last inspectedMarch 2022every 48 months

Location

StateIllinois
CountyBureau
LocationWest Edge Wyanet
CarriesFas 188a/ch 8
CrossesBnsf Railroad
Coordinates41.36239, -89.58929

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length186.4 ft (56.8 m)
Max Span71.9 ft (21.9 m)
Deck Width33.1 ft (10.1 m)
Deck Area573.7 sq m
Main Spans3
Year Built1999

Traffic

Avg Daily Traffic1,000 (2020)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2022
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number006324600000000

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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