Structure 53328200000000 · Livingston County, IL

Tr 137b over Turtle Creek

Carries Tr 137b over Turtle Creek, 1455 E 1600 N.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 4/9 · sets the ratingSubstructure 6/9

31 ft end to end. 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 channel-beam bridge.

Built1924rebuilt 1976
Length30.8 ft9.4 m
Daily traffic375counted 2023
Last inspectedAugust 2023every 24 months

Location

StateIllinois
CountyLivingston
Location1455 E 1600 N
CarriesTr 137b
CrossesTurtle Creek
Coordinates40.85906, -88.65068

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length30.8 ft (9.4 m)
Max Span28.9 ft (8.8 m)
Deck Width22.6 ft (6.9 m)
Deck Area64.9 sq m
Main Spans1
Year Built1924 (reconstructed 1976)

Traffic

Avg Daily Traffic375 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number053328200000000

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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