Structure 4203739 · Knox County, OH

SR 661 over Sycamore Creek

Carries SR 661 over Sycamore Creek, 0.2 Miles South Of CR 27.

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT94 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

94 ft end to end, longest span 35 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 slab bridge.

Built201313 years old
Length94.5 ft28.8 m
Daily traffic4,252counted 2015
Last inspectedMarch 2024every 24 months

Location

StateOhio
CountyKnox
Location0.2 Miles South Of CR 27
CarriesSR 661
CrossesSycamore Creek
Coordinates40.30935, -82.51040

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length94.5 ft (28.8 m)
Max Span35.1 ft (10.7 m)
Deck Width40.0 ft (12.2 m)
Deck Area351.4 sq m
Main Spans3
Year Built2013

Traffic

Avg Daily Traffic4,252 (2015)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number4203739

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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