Structure 16794400000000 · Cook County, IL

Fau-190 Balmoral A over Fap-330 Mannheim RD

Carries Fau-190 Balmoral A over Fap-330 Mannheim RD, 0.5 Mi W I-294.

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 FT347 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

347 ft end to end, longest span 125 ft: about 5 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.

Built201511 years old
Length347.4 ft105.9 m
Daily traffic15,100counted 2022
Last inspectedMay 2023every 24 months

Location

StateIllinois
CountyCook
Location0.5 Mi W I-294
CarriesFau-190 Balmoral A
CrossesFap-330 Mannheim RD
Coordinates41.97714, -87.87841

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length347.4 ft (105.9 m)
Max Span124.7 ft (38 m)
Deck Width71.2 ft (21.7 m)
Deck Area2298.0 sq m
Main Spans3
Year Built2015

Traffic

Avg Daily Traffic15,100 (2022)
Truck Traffic4%
Lanes On Bridge4
Lanes Under Bridge6

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number016794400000000

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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