Structure 51005700000000 · Lawrence County, IL

Fas-1808 (sbi-12) over Csxt Rr

Carries Fas-1808 (sbi-12) over Csxt Rr, E Of Lawrenceville.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT209 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

209 ft end to end, longest span 81 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.

Built198442 years old
Length208.7 ft63.6 m
Daily traffic2,250counted 2023
Last inspectedMarch 2023every 24 months

Location

StateIllinois
CountyLawrence
LocationE Of Lawrenceville
CarriesFas-1808 (sbi-12)
CrossesCsxt Rr
Coordinates38.72094, -87.65119

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length208.7 ft (63.6 m)
Max Span81.0 ft (24.7 m)
Deck Width35.1 ft (10.7 m)
Deck Area680.5 sq m
Main Spans3
Year Built1984

Traffic

Avg Daily Traffic2,250 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number051005700000000

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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