Structure 53412800000000 · Livingston County, IL

Tr 276b over N Fork Vermilion Riv

Carries Tr 276b over N Fork Vermilion Riv, 1425n 3400e.

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
Channelnot part of overall8/9 · 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 70 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.

Built199729 years old
Length185.7 ft56.6 m
Daily traffic50counted 2023
Last inspectedAugust 2024every 24 months

Location

StateIllinois
CountyLivingston
Location1425n 3400e
CarriesTr 276b
CrossesN Fork Vermilion Riv
Coordinates40.83788, -88.28001

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length185.7 ft (56.6 m)
Max Span69.9 ft (21.3 m)
Deck Width25.9 ft (7.9 m)
Deck Area447.1 sq m
Main Spans3
Year Built1997

Traffic

Avg Daily Traffic50 (2023)
Truck Traffic38%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number053412800000000

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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