Structure 51324200000000 · Lawrence County, IL

Tr-164 over Brushy Creek

Carries Tr-164 over Brushy Creek, 2 Mi W Pinkstaff.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT102 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

102 ft end to end, longest span 49 ft. 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 box-beam bridge.

Built198343 years old
Length102.0 ft31.1 m
Daily traffic50counted 2022
Last inspectedJanuary 2022every 48 months

Location

StateIllinois
CountyLawrence
Location2 Mi W Pinkstaff
CarriesTr-164
CrossesBrushy Creek
Coordinates38.79104, -87.70334

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length102.0 ft (31.1 m)
Max Span48.9 ft (14.9 m)
Deck Width24.3 ft (7.4 m)
Deck Area230.1 sq m
Main Spans2
Year Built1983

Traffic

Avg Daily Traffic50 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2022
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number051324200000000

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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